Our Organic Crew sock is incredibly soft in a thick knit with a terry lined sole and gentle rib knit at the ankle. This Organic Cotton Blend blend is breathable and highly absorbent so your feet stay cool and dry. With a durable reinforced toe, heel and sole to cushion your foot..... Machine Wash at 30. 80% Organic cotton, 15% Recycled Polyamide, 5% Elastane