Dr. Scholl's Men's 9 Pack Trizonal Ankle Socks 90% Polyester, 7% Nylon, 3% Spandex Imported Machine Wash Lace protection, arch support and mesh cooling panels help keep the sock in place and keeps the foot cool and dry Extended to cushion for shock absorption and an invisiseamtm seamless toe to eliminate irritation. Extended heel cushion to absorb shock plus built in odor resistance