Provide disaster relief with light grey heather socks featuring a flash of multicolored lightning bolts and a lightning bolt embroidery. Each pair supports Oxfam and their work to support victims of disaster around the world. 75% Organic Cotton, 23% Polyamide, 2% Spandex, Fairtrade, GOTS, and Vegan Certified, Machine wash warm. Dry on low heat. Do not iron. Terry padding for comfort. Size Small: US Womens size 5-9, US Mens size 4-8. Size Medium: US Womens size 9.5-14, US Mens size 8.5-13.