Clever Moda Thong Mesh White Men's Underwear 78% Nylon, 22% Spandex Incomparable quality and comfort without compromising style. The unstructured underwear patterns aid movement and become a second skin. Offers excellent support, ideal for both competitive or leisurely sport. High durability and retention of shape. Clever Moda Sizing: Small: 28-30" Medium: 32" Large: 34" X-Large: 36-38" (inches).