2XU Compression Recovery Calf Sleeves 80% Nylon/20% Lycra Imported Muscle containment for reduced vibrations & oscillation, less muscle fatigue & damage Graduated Compression Fit for circulatory benefits & faster recovery Soft to the hand, breathable and moisture wicking for exceptional comfort for long durations of wearing 250 Denier Medical circular 360 degree knit construction creates a consistent yet powerful pressure Antibacterial & SPF 50 Sun protection Breathable & Lightweight Minimize Shin Splints Use post activity as a recovery tool or during activity to reduce fatigue Graduated fit to promote increased circulation Great for minimizing and mitigating shin splint issues and recovering post activity