Contents: Killington: 70% Certified Organic Merino Wool, 29% Nylon, 1% Spandex

Cotton Crew: 86% Certified Organic Cotton, 13% Nylon, 1% Spandex

Knee Hi: 66.4% Certified Organic Cotton, 29.2% Nylon, 2.5% Spandex, 1.9% Polyester

Sport Sock: 82% Certified Organic Cotton, 16% Coolmax, 2% Spandex

Footie: 78.2% Certified Organic Cotton, 16.8% Nylon, 3.3% Polypropylene, 1.7% Spandex

Washing Instructions: Cotton: Machine Wash Warm, Tumble Dry Low

Wool: Machine Wash Cold, Line Dry