Get your steps up in our brand new Coastrek no show socks, made by the experts at ioMerino in our signature Coastrek purple! Made from 91% quality superfine Australian Merino, 8% nylon for durability, 1% elastane for stretch and support these socks are super comfy AND high performing. Soft, breathable, moisture-wicking and designed for the outdoors to support long walks, hikes and help keep your tootsies blister free. They deliver the performance Aussie merino is known for with temperature regulation and natural odour resistance. The low-profile ankle cut fit sits neatly inside your shoes without slipping down, making them perfect for training walks, Coastrek Event Days and every step in between. Size Guide (US sizing). S - Women's 5.5-7.5 / Men's 4-6 M - Women's 8.5-11.5 / Men's 7-10 L - Women's 12-15.5 / Men's 11-14