Saxx Men's Ultra Boxer Fly Underwear Sage Viscose Blend The Ultra boxer by Saxx features a built in mesh front pouch for extra support, no inner seams to prevent chafing, and patented Saxx technology for a comfort fit in every pair. Each pair is made of a viscose blend made from natural fibers for a light weight next to skin fit and a breathable soft fit. A moisture wicking waistband helps keep you comfortable all day no matter what you're doing. SXBB30F SAG Built in fly keeps these boxers functional as a well as fashionable. XS (28"-30") S (30"-32") M (32"-35") L (35"-38") XL (38"-42") XXL (42"-46") Weight: 0.33 Ounces, 1 3/8" Waistband