Reduce. Reuse. Recycle. A breathable cotton sock to just do all those things in.
85% Cotton, 10% Polyester, 5% Spandex
Machine wash, cold (30 ℃ / 86 ℉). Do not bleach or iron. To reduce damage and if you're feeling very fancy, line dry. They will last longer if you keep them out of the tumble dryer. Eat well. Exercise. Have an amazing day.