Alpinestars GP Tech V4 One-Piece Leather Racing Suit – Black/White | Tech-Air® 10 Ready | MATRYX® Panels | CE AAA Certified | MotoGP-Derived Race Suit for Men
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Description
xAlpinestars GP Tech V4 One-Piece Leather Racing Suit – Black/White
There is a reason the world's fastest motorcycle racers trust Alpinestars with their safety at over 200 mph. The Alpinestars GP Tech V4 One-Piece Leather Racing Suit in Black/White brings that same championship-level engineering, material technology, and protective performance directly to the track rider who refuses to compromise on quality, protection, or fit — in a suit that looks as authoritative as the technology built into every panel of its construction.
The all-black premium leather exterior with sharp white accent paneling running down the chest, torso, and leg lines delivers a clean, aggressive racing aesthetic that is instantly recognizable as Alpinestars — bold enough to command attention on the grid while remaining professional and purposeful in its visual identity. The iconic Alpinestars star logo appears on the chest, collar, and knee slider cups, confirming the suit's pedigree at every visible point.
This suit is built on a race-fit engineered pattern derived directly from Alpinestars' active MotoGP and World Superbike programs. The highly pre-curved body, arms, and knees are shaped to replicate the natural riding position of a rider fully committed to the bike — reducing fatigue, improving aerodynamic profile, and allowing the rider to move freely and precisely through every corner without fighting their suit for range of motion.
The primary shell is constructed from a combination of kangaroo leather in the highest-flex zones — arms, hips, and abdomen — and race-grade bovine leather across the structural body panels. Kangaroo leather is the lightest and strongest natural leather available for racing applications, delivering superior abrasion resistance at significantly less weight than equivalent-grade bovine leather — a weight and performance advantage directly inherited from Alpinestars' MotoGP race suit program.
Integrated across the thigh, abdomen, chest, and back hump panels is MATRYX® — one of the most technically advanced structural materials used in modern motorcycle race suit construction. MATRYX® is an ultra-thin, extremely lightweight composite material that provides parametric performance characteristics: superior mechanical resistance to tearing and abrasion, exceptional breathability for ventilation, and Kevlar® reinforcement that actively prevents heat transfer into the suit during high-friction slide scenarios.
The MATRYX® lower leg construction — covered with high-performance PU — is directly derived from Alpinestars' active MotoGP race suit development program. This innovative lower leg panel delivers lighter overall suit weight, enhanced ventilation through the lower extremity, and meaningfully superior freedom of movement during the complex leg inputs and weight transfers that high-performance track riding demands across every type of corner and braking zone.
Embedded throughout the leather of the GP Tech V4 is Cool-iR Tech treatment — a proprietary racing-derived technology that reflects infrared radiation from the sun's rays away from the suit's surface, actively preventing heat from building up inside the garment during extended track sessions in direct sunlight. This embedded thermal management system keeps the rider's core temperature more effectively regulated across long track days and endurance riding conditions than passive ventilation alone can achieve.
Extended Kevlar® stretch paneling runs through the chest, inner arms, crotch, and back leg zones — providing both enhanced comfort and structural reinforcement in the areas of highest stress and most frequent movement during active riding. Kevlar® is one of the strongest synthetic fiber materials available, and its presence in these critical zones adds a measurable additional layer of cut and abrasion resistance precisely where the suit experiences the most dynamic loading in a crash scenario.
The suit is fully Tech-Air® 10 Ready — as clearly identified by the "TECH-AIR READY" label visible on the back waist panel in the rear product image. This means the GP Tech V4 has been engineered with the precise internal housing, routing channels, and structural integration points required to accommodate Alpinestars' Tech-Air® 10 electronic airbag system with extended hip protection — the most advanced rider airbag system Alpinestars produces, sold separately. The left forearm also features a dedicated slot for the Tech-Air® system's wireless LED display panel.
Internal protection is provided by GP-R Lite race-specification CE-certified armor at the shoulders and elbows — soft for contact comfort against the body, but delivering extended coverage and CE-certified impact absorption across all critical upper body impact zones. Bio-Flex Race hip armor provides optimal impact resistance at the hip, one of the most frequently loaded contact points in motorcycle crash scenarios. The suit also features a dedicated back protector pocket for the optional insertion of a full back protector.
CE-certified knee and shin protectors are integrated into the leg construction, with the distinctive Alpinestars-branded knee slider cups visible externally on both legs — providing additional sacrificial abrasion protection at the knee zone during slide scenarios. Strategic perforations on the arms and legs provide optimized airflow across these specific zones, balancing ventilation performance with the structural integrity of the leather shell in the areas where airflow need is greatest during active track riding.
The YKK main front zipper runs the full length of the suit body, providing a secure and reliable closure that maintains its structural integrity under the aerodynamic loads experienced at race speeds. A paddock waist hook system allows the top half of the suit to be removed and secured around the waist when moving through the paddock or pit garage — a practical convenience feature borrowed directly from professional racing that makes the suit significantly more comfortable and manageable between sessions.
This listing offers the option of custom tailor-made sizing using the comprehensive 24-point body measurement form included with the product images. All measurements are taken in centimeters and cover every critical body dimension — from wrist circumference and forearm through bicep, neck, chest, waist, hips, thigh, knee, calf, and ankle, to full-length measurements including sleeve, back length, inside leg, side length, and total neck-to-ankle length. This tailor-made service ensures a truly personalized fit that no standard sizing chart can replicate.
Additional customization options include the choice of 1PC or 2PC suit configuration, hump or no hump, embroidery, perforation, male/female/kids fitting, and the DTF stickers and leather patches service for personalized race numbers, names, or sponsor graphics applied to the suit at the highest quality standard available in custom racing apparel production.
CE Category II EN17092 AAA Class certified — the highest certification class available for motorcycle riding garments under European safety standards — the GP Tech V4 meets the most demanding protection requirements in the market. AAA classification requires the suit to pass the most stringent tests for abrasion resistance, impact protection, and seam strength, confirming its suitability for the most demanding on-track riding applications at any level from club track days to professional circuit racing.
Whether you are preparing for your first track day, competing at club or national level, or maintaining the standard of an experienced circuit racer who demands the very best from every piece of equipment on their body — the Alpinestars GP Tech V4 One-Piece Leather Racing Suit in Black/White is a suit built at the level of the world's fastest riders, made available in a form that any serious track rider can access, customize, and trust with complete confidence every time they take to the circuit.
⚠️ Important Notice: This suit is designed exclusively for motorcycle track and racing use. Always wear appropriate CE-certified base layers underneath. Tech-Air® airbag system is sold separately. For custom tailor-made orders, please provide all 24 body measurements in centimeters using the measurement guide provided. Allow additional lead time for custom production orders.
🏍️ Product Specifications
| Feature | Detail |
|---|---|
| Model | Alpinestars GP Tech V4 One-Piece Leather Suit |
| Color | Black / White |
| Primary Material | Kangaroo Leather & Race-Grade Bovine Leather |
| Structural Panels | MATRYX® with Kevlar® Reinforcement |
| Lower Leg | MATRYX® with High-Performance PU Cover |
| Stretch Panels | Extended Kevlar® Stretch Paneling |
| Thermal Technology | Cool-iR Tech Infrared Reflection Treatment |
| Airbag Compatibility | Tech-Air® 10 Ready (sold separately) |
| Shoulder/Elbow Armor | GP-R Lite Race-Spec CE Certified |
| Hip Armor | Bio-Flex Race Hip Armor |
| Knee Protection | CE-Certified Knee & Shin Protectors |
| Knee Sliders | External Alpinestars Slider Cups |
| Main Zipper | YKK Full-Length Front Zipper |
| CE Certification | Category II EN17092 — AAA Class |
| Suit Type | 1PC / Custom Tailor Made Available |
| Paddock Feature | Internal Waist Hook System |
| Custom Options | Embroidery, Perforation, DTF Stickers, Patches |
📏 Custom Tailor Made — 24-Point Measurement Guide
| # | Measurement Point |
|---|---|
| 1 | Wrist Circumference |
| 2 | Forearm Circumference |
| 3 | Bicep Circumference |
| 4 | Neck Circumference |
| 5 | Chest (under armpit) |
| 6 | Waist (belly button) |
| 7 | Hips Circumference |
| 8 | Thigh (10cm from crotch) |
| 9 | Knee Circumference |
| 10 | Calf (10cm from knee) |
| 11 | Ankle (at ankle bone) |
| 12 | Shoulder Width (bone to bone) |
| 13 | Back Length (neck to waist) |
| 14 | Elbow to Wrist |
| 15 | Sleeve Length (shoulder to wrist) |
| 16 | Knee Bone to Ankle Bone |
| 17 | Waist to Knee Length |
| 18 | Side Length (waist to ankle) |
| 19 | Inside Leg (crotch to ankle) |
| 20 | Total Length (neck to ankle) |
| 21 | Shoulder (neck to shoulder bone) |
| 22 | Weight |
| 23 | Age |
| 24 | Torso (front neck to back neck) |
All measurements must be provided in centimeters. Please include front and side photographs for the most accurate tailor-made pattern production.
Shipping & Delivery Policy
xAt Knockiva, we are committed to delivering your leather jackets, motorcycle jackets, motorbike suits, motorcycle pants, boxing gloves, and related products safely, efficiently, and with clear communication throughout the process. We want every customer to enjoy a smooth shopping experience from the moment an order is placed until it arrives at their door.
To make shopping easier and more convenient, Knockiva offers free worldwide shipping on eligible orders, with no hidden shipping charges at checkout unless otherwise stated.
1. Order Handling and Processing Time
All orders placed with Knockiva are carefully reviewed, prepared, quality checked, and processed before shipment.
Our standard order processing time is 2 to 3 business days, Monday through Friday, excluding public holidays. Once your order has been processed and dispatched, you will receive a shipping confirmation email with tracking details where available.
Please note that customized products, made-to-order items, special-size requests, personalized products, or special product requests may require additional preparation time. In such cases, processing may take approximately 6 to 8 business days before dispatch.
2. Estimated Shipping Time
After your order has been processed and shipped, standard delivery usually takes approximately 6 to 8 business days, depending on your destination, courier service, customs process, and local delivery conditions.
Delivery times are estimated and may vary due to factors beyond our control, including:
- Customs clearance procedures
- Courier or postal service delays
- Weather conditions
- Public holidays
- High seasonal order volume
- Local delivery restrictions
- Import checks or border delays
- Incorrect or incomplete shipping details provided by the customer
Knockiva is not responsible for delays caused by courier companies, customs departments, local delivery services, or incorrect delivery information entered at checkout.
3. Order Cancellation Policy
If you wish to cancel your order, please contact us within 24 hours of placing the order.
Cancellation requests received within this time frame will be reviewed and accepted where possible. However, if your order has already entered processing, production, packaging, quality checking, or shipment preparation, cancellation may no longer be possible.
For customized, made-to-order, personalized, special-size, or special-request products, cancellations may not be accepted once production or preparation has started.
4. Free Worldwide Shipping
Knockiva proudly offers free standard worldwide shipping on eligible orders. This allows customers from different locations to shop for premium leather jackets, motorcycle gear, motorbike suits, motorcycle pants, and boxing gloves with confidence.
If your country or region does not appear as an available shipping option at checkout, please contact our support team. We will do our best to assist you and confirm whether delivery is available to your location.
5. Order Tracking
Once your order has been shipped, you will receive a confirmation email containing your tracking number or tracking link, where available.
Tracking details allow you to monitor your shipment and follow its delivery progress. Please allow some time for tracking information to update after the courier receives and scans the package.
If your tracking information has not updated after a reasonable period, you may contact us for assistance.
6. Lost, Delayed, or Missing Orders
Although we work with shipping partners to ensure reliable delivery, unexpected delays can sometimes occur.
If your order is significantly delayed, tracking has not updated for an extended period, or the package appears to be lost, please contact us. Our support team will review the situation and work with the shipping provider to investigate the issue.
We recommend customers contact us as soon as possible if they notice any unusual tracking activity, delivery delay, or missing package concern.
7. Incorrect Shipping Information
Customers are responsible for providing complete and accurate shipping details at checkout, including full name, address, phone number, postal code, city, state, and country.
Knockiva is not responsible for failed delivery, delays, returned parcels, or additional shipping costs caused by incorrect, incomplete, or outdated shipping information provided by the customer.
If you notice an error in your shipping address after placing an order, please contact us immediately. We will try to update the details if the order has not yet been processed or shipped.
8. Customs, Duties, and Taxes
For international orders, customs duties, import taxes, local fees, or other charges may apply depending on your country’s regulations. These charges are not always included in the product price and may be the customer’s responsibility unless clearly stated otherwise at checkout.
Customs policies vary by country, and Knockiva cannot control customs charges, clearance delays, import requirements, or decisions made by customs authorities.
Customers are responsible for checking their local import rules before placing an order.
9. Delivery Attempts and Returned Packages
Courier companies may make one or more delivery attempts depending on local delivery rules. If delivery is unsuccessful due to an incorrect address, unavailable recipient, refused package, unpaid customs charges, or failure to collect the parcel, the package may be returned to sender.
If an order is returned due to customer-related delivery issues, additional shipping fees may apply for reshipment. Refund eligibility may depend on the product condition, return reason, and applicable store policy.
10. Need Help?
If you have any questions about shipping, delivery, tracking, customs, or your order status, please contact our customer support team:
Knockiva
Email: vibranttraders.inc@gmail.com
Return & Refund Policy
xAt Knockiva, customer satisfaction is important to us. We want every customer to feel confident when purchasing leather jackets, motorcycle jackets, motorbike suits, motorcycle pants, boxing gloves, and related products from our store. We understand that sometimes a product may not be the right size, fit, or choice, so we provide a clear and fair return and refund process.
Please read this policy carefully before requesting a return, exchange, or refund.
1. Return Window
You may request a return or exchange within 30 days of receiving your order.
To start a return or exchange request, please contact our support team at:
When contacting us, please include your order number, the item you wish to return, and the reason for the return. This helps us review your request and guide you through the next steps.
2. Return Conditions
To be eligible for a return, the product must meet the following conditions:
- The item must be unused, unworn, and in its original condition
- The product must not show signs of riding use, training use, sweat, damage, stains, odor, scratches, or visible wear
- All original packaging, tags, labels, inserts, and accessories must be included
- The item must be returned in suitable packaging to prevent damage during return shipping
- The return request must be made within the allowed return period
Leather jackets, motorcycle gear, motorbike suits, motorcycle pants, boxing gloves, protective gear, and training equipment that show signs of use may not be eligible for return due to hygiene, safety, and product condition reasons.
Knockiva reserves the right to refuse any return that does not meet the conditions stated in this policy.
3. Refunds and Exchanges
Once your returned item is received, our team will inspect it to confirm that it meets our return conditions.
If your return is approved, your refund or exchange will be processed within 3 to 5 business days after inspection.
Refunds will be issued to the original payment method used at checkout. Please note that banks or payment providers may take additional time to show the refund in your account.
Approved exchanges will be processed and shipped after the returned item has been accepted.
Original shipping charges, if applicable, are non-refundable unless the product received was defective, damaged, or incorrect due to our error.
4. Return Shipping Costs
For standard returns, such as change of mind, wrong size ordered, incorrect fit selected, or personal preference, the customer is responsible for return shipping costs.
We strongly recommend using a trackable shipping service when returning an item. Knockiva is not responsible for return packages that are lost, delayed, or damaged during return transit.
Please do not send any product back without first contacting us and receiving return instructions.
5. Defective, Damaged, or Incorrect Items
If you receive a product that is defective, damaged, or different from what you ordered, please contact us within 7 days of receiving your order.
To help us resolve the issue quickly, please include:
- Your order number
- Clear photos of the product
- Photos of the packaging, if damaged
- A short description of the issue
If the issue is approved after review, Knockiva may offer one of the following solutions:
- A full refund
- A replacement product
- An exchange
- Another suitable resolution based on the situation
If the mistake was caused by us, or the item is confirmed defective, damaged, or incorrect, Knockiva will cover the return shipping cost where applicable.
6. Non-Returnable Items
Certain items may not be eligible for return or exchange, including:
- Used boxing gloves, motorcycle gear, leather jackets, or riding apparel
- Items with sweat, odor, stains, scratches, visible wear, or damage
- Customized, personalized, altered, or made-to-order products
- Products damaged due to misuse, poor care, improper storage, or incorrect cleaning
- Items returned without original packaging, tags, labels, inserts, or accessories
- Clearance or final sale items, where stated on the product page
7. Order Cancellation
If you wish to cancel an order, please contact us within 24 hours of placing the order.
Cancellation requests made after this period may not be accepted if the order has already entered processing, production, packaging, or shipment preparation.
Customized, personalized, made-to-order, or special-request items may not be cancellable once preparation has started.
8. Product Size and Fit Responsibility
Customers are responsible for selecting the correct product size, style, and fit before placing an order. We recommend checking the product details, size chart, and description carefully before completing your purchase.
If you are unsure about sizing for a leather jacket, motorcycle jacket, motorbike suit, motorcycle pant, or boxing glove, please contact us before ordering. Our support team will do its best to guide you.
Returns due to wrong size selection may be accepted only if the product meets all return conditions stated in this policy.
9. Refund Processing Time
After your return is approved and processed, the refund will be issued to the original payment method. While Knockiva may process approved refunds within 3 to 5 business days, your bank, card provider, or payment gateway may take additional time to display the refund in your account.
Knockiva is not responsible for delays caused by banks, payment processors, or financial institutions.
10. Need Help?
If you have any questions about returns, refunds, exchanges, cancellations, defective items, damaged products, or incorrect orders, please contact our support team:
Knockiva
Email: vibranttraders.inc@gmail.com
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