Body: 70% Nylon, 30% Spandex; Fresh Fix Technology® Gusset: Layer 1: 88% Modal, 10% Spandex, 2% Nylon, Layer 2: 100% SUPIMA® Cotton, Layer 3: 100% Polyester, Layer 4: Face: 85% Nylon, 15% Spandex, Back: Polybutylene Terephthalate, Exclusive of decoration