Fusion 1-Piece Suit - Black/White - US 38 / EU 48 Fusion 1-Piece Suit Engineered seamless RIDEKNIT® stretch paneling for enhanced flexibility and freedom of movement with extensive perforations at the crotch, rear of the leg, abdomen, chest, neck, arm holes, inner arms and shoulder blades, and strategically positioned dual layers in keys areas for additional protection against abrasion Innovative MATRYX® structural panels on the thigh, abdomen, chest and back hump provide parametric performance for ventilation and superior mechanical resistance to tearing and abrasion while also being extremely thin and lightweight An engineered fit designed to accommodate any Alpinestars Tech-Air® System in order to deliver the highest level of active race protection Race fit – highly pre-curved body, arms and 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 and abrasion, and offers exceptional friction control Internal Race spec GP-R armor is soft for comfort and 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 and muscle movements Knitted collar for rider comfort Zippered detachable comfort liner for convenience