Product details About this item Fabric type 58% Cotton, 40% Polyester, 2% Spandex About this item Style 21906 Semi-fitted 30" inseam Body: 58% cotton/40% polyester/2% spandex; Trim: 60% cotton/40% polyester Machine wash and dry Description Maybe our ancestors were onto something. The Jockey Men's Waffle Union Suit keeps all the classic touches that have made it the go-to cold weather underwear for generations of outdoorsy and refined men alike. The waffle fabric features a cotton blend for softness and warmth, with the stretch of spandex to help you enjoy a consistently comfortable fit. A full-button front helps make access a little easier, as does the fully-functional 3-button back flap.