GP Plus V4 Leather Jacket
racing/sport | jackets
Due to regulations for transport of dangerous goods by air (IATA) and road (ADR), consumers are not permitted to ship Tech-Air® products themselves for return or servicing. In the event of a return or service request you must therefore deliver the goods in person to one of our Tech-Air® Hubs. Please ensure you first contact our Customer Care team to receive confirmation of the correct Hub and approval before visiting.
Tech-Air® Hubs are currently available in select countries. Additional locations across Europe will be launched soon.
Please use the map below to find your closest Tech-Air® Hub.
By purchasing a Tech-Air® product on the Alpinestars website, you acknowledge and accept this return policy. If you still decide to ship your Tech-Air® product as a return, Alpinestars Spa will not be held responsible for the transit of such goods and will not accept them as returns. For this reason, no refund will be issued.
For any questions, feel free to contact our Customer Care team before making your purchase.
Description
The race-derived GP Plus V4 sport Leather Jacket is more than just an evolution of the world-renowned V3, it’s a complete revolution. With a revised silhouette, improved material selection, a new modernized look with refined detailing, and a lighter overall weight, the GP Plus V4 Jacket is the perfect choice. The three main differences new to the GP Plus V4 are the use of A-CS™ Plus stretch material, GP-R Lite extended elbow armor, and a new, modernized graphic. A-CS™ Plus stretch material is Alpinestars composite stretch, which is found in the large side panels of the jacket. A MotoGP derived material technology, A-CS™ Plus stretch provides increased stretch, high abrasion resistance, higher tear resistance than leather, plus a lower profile and overall weight – all important features that motorcyclists demand when it comes to increased comfort and performance. Completing the GP Plus V4’s chassis construction is a mix of race bovine and regular bovine leather, with tech stretch material on the chest, shoulders, back of the neck, and inner arms. There are DFS Dynamic Friction Shield external shoulder sliders with Nucleon Flex Plus CE Level 1 armor underneath. Internally, the jacket includes a detachable 80g thermal vest and incorporates long direct opening airflow vents on the abdomen for ventilation and climate management.
Key Features
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Construction
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GP Plus V4 Leather Jacket
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Frequently asked questions Hide FAQs
How does the GP Plus V4 Leather Jacket fit, and which size should I choose?
The GP Plus V4 Leather Jacket uses a pre-curved, race-derived shape designed around the sport riding position. A-CS™ Plus side panels and tech stretch zones on the chest, shoulders, back of the neck and inner arms support freedom of movement.
The Black Black variant is offered in men’s sizes 48–64, in two-size increments. Compare your measurements with the Alpinestars size guide and check the fit with your intended layers, keeping the shoulder and elbow armor correctly positioned. If using Tech-Air®, follow the selected system’s fitting instructions.
What CE rating and armor does the GP Plus V4 Leather Jacket have?
The GP Plus V4 is CE-certified Category II to EN 17092-3:2020, Class AA. This is the jacket’s garment protection classification, separate from the impact protectors’ CE levels.
It includes Nucleon Flex Plus shoulder armor and extended GP-R Lite elbow armor, both certified to EN 1621-1:2012 Level 1. DFS Dynamic Friction Shield external shoulder sliders complete the shoulder protection package.
Which Tech-Air® airbag systems are compatible with the GP Plus V4 Leather Jacket?
The GP Plus V4 Leather Jacket is Tech-Air® Ready and listed as compatible with the Tech-Air® 5 Plasma System, Tech-Air® 5 System and Tech-Air® 3 V2 System. Tech-Air® Ready indicates compatibility, not that an airbag system is included.
Follow the selected system’s compatibility, sizing and deployment-clearance instructions when choosing your jacket size and checking the fit.
Does the GP Plus V4 Leather Jacket have ventilation and a removable thermal liner?
The GP Plus V4 has long, direct-opening vents on the abdomen for airflow and a detachable 80 g thermal vest for additional warmth. The thermal layer is a vest rather than a full-sleeve liner.
Remove the vest and use the vents for warmer riding conditions, or refit the vest when temperatures fall. The A-CS™ Plus stretch side panels also provide breathability.
What is the GP Plus V4 Leather Jacket made from, and how do its stretch panels work?
The GP Plus V4 combines race bovine and regular bovine leather with A-CS™ Plus composite stretch side panels. It is not an all-leather construction: additional tech stretch material is used on the chest, shoulders, back of the neck and inner arms.
The A-CS™ Plus panels provide flexibility, abrasion and tear resistance, and breathability with a lower weight and profile than leather accordion paneling. These stretch zones support movement in the sport riding position.