Alpinestars GP Plus R V4 Rideknit perforated Motorcycle Leather Jacket   The GP Plus R V4 RIDEKNIT® Leather Jacket is optimized for superior freedom of movement and rider comfort, and features extensive race-derived features and materials including a dedicated ‘Sport’ fit with pre-curved arms for maximum riding performance, and race-proven protection on the shoulders and elbows.   Features: Alpinestars composite stretch technology, A-CS® Plus, stretch panels on the torso for exceptional breathability, comfort, and freedom of movement, as well as delivering a lighter weight and a lower profile than a traditional leather accordion panel (the A-CS® Plus panels are about 9% lighter than leather panels). Another key advantage of using A-CS® Plus is its superior stretch performance; A-CS® Plus has about 30% elongation, and offers an increase in tear resistance of 300% compared to HRSF (Hyper Resistant Stretch Fiber), and an increase in cut resistance by 600% versus leather 1.3 mm ‘Race’ grade leather construction for the optimum blend of abrasion resistance and comfort RIDEKNIT® engineered inner arms; RIDEKNIT® combines high abrasion and tear resistance with high flexibility, comfort and mechanical stretch while still delivering superior comfort and high levels of breathability extensive technical stretch panels under the arms, on the inner arms, and around the neck for an optimized fit dual density DFS shoulders for superior friction control GP Lite elbow armor for impact protection in a key area Nucleon Flex Plus shoulder armor for superior impact protection Tech-Air® 5 and Tech-Air® 3 Ready localized perforation zones on the chest and sides for maximum airflow stretch under the arms and on the inner arms for an optimized sport fit stretch, soft feel and ergonomic collar for superior rider comfort hook and loop neck closure with the large built-in flap for a secure closure ergonomic hook and loop cuffs with a zippered sleeve on the forearm for ease of use two zippered external side pockets for practical and secure storage mesh interior comfort liner with pockets to accommodate a back protector or a split chest protector cut longer on the back for greater coverage in the riding position 3/4 waist zip for a secure connection with Alpinestars pants hook and loop adjustable waist for an optimized fit   Specifications: GP Lite elbow protectors, Level 1 Nucleon Flex Plus shoulder protectors, Level 1, Category II (EN 1621-1:2012) prepared for back protector (not included) prepared for split chest protector (not included) PPE protective apparel for motorcycle use - EN 17092-3:2020 Class AA

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