2XU Elite MCS Compression Calf Guards 80% Nylon/20% Elastane Imported PWX flex [70D] offers powerful compression to the calf and Shin. MCS is targeted to the calves for ultimate muscle protection Graduated compression increases blood circulation for improved recovery and reduced muscle stiffness post exercise | flatlock seams to reduce chafing for greater comfort Powerful invista lycra for exceptional fit and support | high filament yarns for dryness - wicks moisture from the skin to the fabric exterior | antibacterial and UPF50+ Sun protection Minimize Shin splints | extreme moisture management | antibacterial & spf 50 Sun protection | breathable & lightweight Warranty + care - 12 month Warranty with proof of purchase from an authorized 2XU seller. Machine wash in cold water and hang to dry