The CADIA Flightline Socks are some of the most advanced socks on the market thanks to years of research and development creating a performance fitting sock perfect for every day wear. Ideal for snowboarders who need the most comfortable, highest performing, and durable socks available, these anatomical fitting sock are padded and made from a breathable merino wool blend offering moisture wicking, odour resistance, and quick drying comfort. Features: Breathable Moisture wicking Odour resistant Quick drying Warm when wet Anatomical fit Extra padding on shin for targeted comfort without added bulk Compression zones for enhanced circulation and reduced fatigue Betaspun yarm - Merino wool wrapped in nylon 68% merino wool, 24% nylon, 8% elastane Unmatched durability Size Small Medium Large X-Large US Mens 3-5.5 6-8.5 9-11.5 12-14.5 US Womens 4-7 7.5-10 10.5-13 - EU 35-38 39-42 43-45.5 46-48