torso, back and legs for perfect ventilation. The multi-panel construction incorporates strategically placed poly-fabric stretch accordion areas in the arms, elbows, back and groin for greater freedom of movements and stretch leather accordion panels on the knees and lumbar region for a tight, practical fit for the various riding positions. Built in PE foam padding on the chest, hips coccyx and back to improve fit and the protection of key areas. Knees constructed in multiple 3D panels developed on the track, with removable, adjustable, sports PU sliders. Shoulder and elbow protection with CE certification. One piece, GP-R knee, calf and shin protections (with CE certification) that incorporate a floating construction for a versatile and precise fit. TPR external shoulder reinforcements which provide extra abrasion resistance in key impact areas. Multiple automatic button system for integrating the CE certified back protector Alpinestars Bionic (sold separately). Poly-foam padded chest compartment, for mounting the Alpinestars Nucleon chest protector (not included). MotoGP profiled, 3D mesh perforated back hump for improved aerodynamic and ventilation performance. Mesh lining for excellent breathability and comfort.