Discover a new kind of cross country ski sock with the Smartwool Performance Nordic Full Cushion Crew Socks. Featuring our most advanced sock technologies for enhanced durability, breathability, comfort, and warmth. Smartwool’s Nordic Full Cushion Crew Socks are the ones you want to reach for when you need the maximum combination of warmth and breathability. Constructed with Smartwool’s 4 Degree elite fit system and Indestructawool technology, these socks are built to keep you warm, dry, and comfortable on long outdoor excursions. Dress them up or down; either way, these cozy Merino crew socks will not disappoint.