ARC'TERYX Premium Boxed Men's Underwear Foreign trade orders, high quality, made with nylon ice silk seamless cutting technology. Scientifically blended with 82.5% nylon and 17.5% spandex, they are silky, breathable, and comfortable Stylish Not tight at all, ergonomically designed to highlight masculine charm. Super comfortable to wear. Each box contains 3 pieces, available in sizes L-4XL. Note: Due to hygienic reasons, intimate apparel cannot be returned or exchanged.