12 Pair Rabbit Wool Thermal socks for Mens Size 10-15, Shoes size 7-13Specially designed to have exceptional heat retaining properties. Double layer insulation, fully cushioned. Keep feet warm and comfortable. 70% Rabbit Wool20% Spandex10% PolyesterMachine wash warm with lime colors.tumble dry at medium temperature, NO BLEACH.Comes in Blue, Brown, Grey, Black with Grey colors Stripes(most of them are black with grey stripes)