Alpinestars new technical reference racing leather jacket, the Fusion Leather Jacket is Tech-Air® ready & offers superior freedom of movement & high level of ventilation through the development of innovative new material development: Rideknit® stretch paneling & Matryx® ultra abrasion resistant & highly breathable zones. Features Engineered seamless Rideknit® stretch paneling for enhanced flexibility & freedom of movement with extensive perforations at the abdomen, chest, neck, armholes, inner arms & shoulder blades, with strategically positioned dual layers in keys areas for additional protection against abrasion Innovative Matryx® structural panels on the abdomen & chest provide parametric performance for ventilation & superior mechanical resistance to tearing & abrasion, while also being extremely thin & lightweight An engineered fit to deliver the highest level of active race protection, this jacket is Tech-Air® ready & can accept the Tech-Air® 5 Airbag System, complete with new race algorithm which is available as a download Race fit – highly pre-curved body & arms for enhanced performance Premium bovine leather with dual layers in exposed areas for superior abrasion resistance DFS armor delivers optimal resistance against impacts & abrasion, & offers exceptional friction control Internal Race spec GP-R armor is soft & delivers extended coverage for additional protection in key zones Fully certified motorcycling garment – AAA class