Gap Soft and comfortable crew socks. Reinforced heel and toe. Black & White: 40% Cotton, 29% Polyester, 28% Modal, 3% Spandex. Dark Charcoal: 34% Modal, 32% Cotton, 31% Polyester, 3% Spandex. Lavender, Light Blue & 35% Modal, 34% Cotton, 29% Polyester, 2% Spandex.