Xtremen 51339 Xtreme Long Boxer Brief 80% Nylon, 10% Polyester, 10% Spandex Imported Please refer to size chart to ensure you choose the correct size. Made in Colombia Composition: 81% nylon, 10% polyester, 10% spandex stretch microfiber fabric forms sleek, defining fit. Fabric is moisture wicking for ultimate dryness protection. Seamed design prevents leg roll. Long length protects against rubbing and chafing, making these ideal for layering under active wear.