Salk Health Dri - Men's Brief (Washable) is a reusable bladder control undergarment in a classic style brief that includes a fully functional fly. Ideal for those who experience daily or occasional moisture management problems. Salk Men's Briefs offer complete protection with the look, feel and care of regular underwear. Unique construction allows for interior fabrics keeps moisture moving away from the body. Breathable outer shield allows evaporation while it blocks moisture from seeping into outer clothing. Shell: 100% Cotton. Inner Fabric: 53% Cotton/24 % Polyester/24% Nylon. Made in the USA.