Hayabusa Kyoudo Men&#39;s Fight Shorts, 36, WH Designed with Mechanical PolyDirectional stretch fabric. Innovative tie system with indestructible webbing for a distinct customized fit. Pro Performance stretch panel and split side seams for unrestricted range of motion. Contains Hayabusa's exclusive Guardlock inner grip waistband system. Reinforced T3 stitching for ultimate strength and durability.