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

Just Breathe Knee Hi Sock: 84% Certified Organic Cotton, 13.6% Nylon, 0.07% Polypropylene, 1.7% Spandex

Hearts Knee Hi Sock: 80% Certified Organic Cotton, 14.5% Nylon, 4% Polypropylene, 1.5% Spandex

Peace Sign Knee Hi Sock: 80% Certified Organic Cotton, 14.5% Nylon, 4% Polypropylene, 1.5% Spandex

Washing Instructions: Machine Wash Warm

Tumble Dry Low or Line Dry