Crew Sock A smooth knit short sock with Elastane for snug, comfortable fit, integrated toe seam. Logo and size information are knitted in. 60% Merino wool 35% Polyamide 5% Elastane Weight 39:20g The terry-knitted material has excellent heat-insulating properties and warms even when wet, a crucial factor for the feet. The socks absorb and transport away perspiration without losing heat-insulating properties.