1 Pair Pack. Athletic recovery sock. 15-20 mmHg compression. Enhance recovery. Manage odor. Control moisture. Non-binding grip that stays up. High tech moisture wicking yarns. Improved circulation, support stabilization. Prevents chaffing form achilles rubbing against shoe. Improves fit and prevents slide. Super soft material. Absorbs shock and protects. Improved coolness and breathability. Holds sock in place or a precise fit and provides metatarsal support. 69% Nylon, 9% Lycra, 22% Ply propylene