Key Features Merino wool for natural warmth and breathability Mesh zones provide added breathability Compression arch support for superior fit and comfort Performance riding made for miles of comfort When you know you're heading out for a full pull, you want your feet to stay comfy all day. The 6" Flexair Merino Socks are lightweight and breathable socks that are 100% up to the task. The compression arch bumps up the comfort stakes, as does the seamless toe closure. With their rib-knit upper, these socks won't fall down, even if you do. Specifications Merino wool construction Mesh zones provide added breathability Compression arch support for superior fit Rib-knit upper won’t slide down when the trail gets rough Seamless toe closure for improved comfort Unisex sizing Materials 55% merino wool, 31% polyamide nylon, 10% polyester, 4% elastane Care Machine wash gentle cold Tumble dry low Do not bleach Do not iron Do not dry clean