Alpinestars new technical reference 1pcs. racing leather suit, the Fusion Leather Suit is Tech-Air® ready & offers superior freedom of movement & high level of ventilation through the development of innovative new materials development: Rideknit® stretch paneling & Matryx® ultra abrasion resistant & highly breathable zones. Engineered seamless Rideknit® stretch paneling for enhanced flexibility & freedom of movement with extensive perforations at the crotch, rear of the leg, 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 thigh, abdomen, chest & back hump provide parametric performance for ventilation & superior mechanical resistance to tearing & abrasion while also being extremely thin & lightweight An engineered fit designed to deliver the highest level of active race protection. This suit is also ready to accept the Tech-Air®5 Airbag System, complete with new race algorithm, which is available as a download. Features Race fit – highly pre-curved body, arms & knees for enhanced performance Premium bovine ‘racing grade’ 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 Bio-Flex Race hip armor for optimal resistance against impacts Calf Rideknit® stretch paneling perfectly adapts to different calf shapes & muscle movements Knitted collar for rider comfort Zippered detachable comfort liner for convenience Fully certified motorcycling garment – AAA class