For every pair sold, a portion is donated to The Trevor Project to provide crisis intervention and suicide prevention for LGBTQ youth. Comes in sizes USA Men's 8-13, USA Women’s 9-14 (Medium) OR USA Men's 4-8, USA Women's 5-9 (Small). The socks are made of 75% Organic Cotton, 23% Polyamide, 2% Spandex and have a seamless toe. Machine wash warm and lay flat to dry.