2XU Men's MCS Thermal 3/4 Compression Tights 75% Nylon/25% Elastane PWX flex thermal 70D for added warmth| MCS targeted to hamstring, quads and glutes for ultimate muscle protection Anatomical mapping ensures maximum containment and support | flat waistband for comfort under your gear Flatlock seams to reduce chafe | high filament yarns for dryness - moisture wicking Antibacterial and UPF50+ Sun protection Warranty + care - 12 month Warranty with proof of purchase from an authorized 2XU seller. Machine wash in cold water and hang to dry