With unsurpassed levels of internal temperature control thanks to the large mesh paneling on the torso, arms and upper chest, the Viper V3 Air textile jacket incorporates a removable windbreaker that allows riders to adapt it to all weather conditions. The Viper v3 Air jacket offers excellent resistance to abrasion and has a fit designed to offer the highest level of active protection in the race; This jacket is Tech-Air Ready and can accommodate the Tech-Air 5.1 Airbag System. Featuring a fit designed to offer the highest level of protection, this jacket is Tech-Air ready and can accommodate the Tech-Air 5 Airbag System, complete with the new racing algorithm available for download. 2. High-strength 3D mesh panels for optimized ventilation and maximum air flow. 3. The removable wind jacket allows you to adapt the jacket to all weather conditions. 4. The protective and comfortable Nucleon Flex Plus armor is highly flexible and breathable and has a slim profile for maximum rider comfort. • Sporty fit - strongly pre-curved torso and arms for improved performance. • Multi-fabric shell construction with mesh panels on the chest and sleeves for improved cooling performance. • Waist adjustment for a better fit. • Volume adjusters on the sleeve to reduce material build-up. • Two zippered hand pockets, two pockets and a waterproof front pocket for maximum practicality. • Connection zipper at the waist allows attachment to Alpinestars motorcycle pants. • Low profile collar construction with microfiber edges plus 3D textured fabric on the inside of the collar, for added comfort. • Reflective details. • Chest and back compartments are designed to accommodate Alpinestars Nucleon inserts CE certified level 1 chest and CE certified Nucleon back level 2 available as accessory upgrade. • NucleonFlexPlus shoulder and elbow protectors for an optimal level of impact protection. a compliance requirement for marketing this product. They comply with the following standards: Fully CE certified motorcycle clothing - Category II according to EN17092 - Class A.