Alpinestars GP Plus R V4 Rideknit perforated Motorcycle Leather Jacket, black-white, size 50 for Men

* 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 | article: Alpinestars GP Plus R V4 Rideknit perforated Motorcycle Leather Jacket, black-white,