Alpinestars - GP Tech V4 One-Piece SuitKangaroo leather, mainly in the high flex zone like arms and hips and abdomen, and race grade bovine leather construction for the optimum blend of weight saving, high performance and comfort Extended Kevlar stretch paneling around chest, inner arms crotch and back leg for enhanced comfort and strength Advanced material construction An engineered fit designed to deliver the highest level of active race protection, this suit is Tech Air ready and can