This cute pair funds cat rescue efforts!  100% of profit goes to support local cat rescue organizations. * 80% Egyptian Cotton, 15% Spandex and 5% Nylon * Machine Wash Warm. Dry Low. Do not Bleach * Actual color may vary Sizing:  9-11 Womens (fits women 6-10 shoe size) 10-13 Mens (fits Mens 9-13 shoe size)