This three-pack of ankle socks - in solid yellow, blue and grey- show your commitment to education for all and provides three books to children through the work of Room to Read. These pairs feature extra soft organic cotton, padded insole and extra arch support. Comes in sizes USA Men's 8-13, USA Women’s 9-14 (Large) 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, dry on low and do not iron.