Lightweight, breathable merino wool socks designed for all-day riding comfort.When you know you\'re heading out for a full pull, you want your feet to stay comfy all day. The Flexair Merino Socks are a lightweight and breathable sock that\'s up to the task. The compression arch bumps up the comfort stakes, as does the flat-stitch toe construction which stops chaffing and irritation while you ride. With their rib knit upper, these socks won\'t fall down, even if you do.Key Features: Mesh zones provide added breathability,Compression arch support for superior fit and comfort,Rib knit upper won’t slide down when the trail gets rough,Flat-stitch toe construction offers improved comfort,. Materials: Solid: 61% merino wool, 26% polyamide nylon, 10% polyester, 3% elastane, Print: 53% merino wool, 35% polyamide nylon, 9% polyester, 3% elastane .