Fox 4" Flexair Merino Women's SocksWool does not always necessarily mean warmth. The Fox 4" Flexair Merino Women's Socks are lightweight, breathable, and comfortable socks made with a Merino wool blend. Fox designed these socks to be ultra-breathable and comfortable, with mesh zones to provide airflow and compression arch support for a comfortable fit. A rib knit upper ensures to the socks won't slip down and a flat-stitched toe reduces irritation and improves comfort on long rides. FeaturesMade with Merino wool Mesh upper Compression arch support Rib knit cuff Flat-stitched toe One Size Fits All SPECIFICATIONSMaterial57% Merino wool, 31% polyamide nylon, 9% polyester, 3% elastaneSock Length4"Intended UseTrail | Fox Apparel | W 4" Flexair Merino Sock Women's in Black