These Shorts are easy and comfortable to wear,they are indispensable appliances for Boxing,Muay Thai,MMA,BJJ,No-gi and Gym training Material:Polyester,Spandex Velcro and Drawstring Easier to Adjust Waist Sizes:M waist 77-79cm /30"-31", hip 100-102cm/39"-40" L waist 81-82cm /31"-32",hip 104-106cm/40"-42" XL waist 84-86cm /33"-34", hip 110-112cm/43"-44" XXL waist 90-92cm /35"-36", hip 118-120cm/46"-47" XXXL waist 97-100cm /37"-39", hip 128-130cm/50"-51"