Microfiber White Sheer Stripe Brief underwear, sexy men's microfiber underwear with see through stripes. NEW! Soft, smooth single layer microfiber fabric. An NDSwear.com exclusive! By NDS WEAR (TM) Waist Size: Small 28"-30", Medium 31"-33", Large 34"-36", XL 37"-39". If comfort is more desirable than fit, go up a size.