How It Fits Slim Fit: form-fitting around the butt and thighs. Made For Everyday pursuits. This best-selling style is made from a breathable fabric that's so soft you won't want to take it off. Print Feature In underwear this soft, his testes will be tap dancin' all over the place. Figuratively speaking, of course. The BallPark Pouch™ eliminates all ballroom breakdancing. Built In Tech BallPark Pouch™, Three-D Fit™, Flat Out Seams™. Made From LENZING™ ECOVERO™ certified eco-responsible viscose (95%) and elastane (5%). LENZING™ and ECOVERO™ are trademarks of Lenzing AG. Measurements 5" inseam. Care Instructions