From the manufacturer jockey men's cotton trunks this jockey trunk is made of cotton for superior comfort with good absorbent and breathable property, and polyester for greater strength elastane adds stretchability to the fabric of this trunk features fabric details : 95% cotton , 5% spandex made from premium combined cotton stretch fabric mid rise fit with square styling double layered contoured pouch contrast piping and contrast side panels unique leg treatment to prevent 'riding up ultrasoft waistband provides super soft, smooth and comfortable grip.