Take to the trails in the ON Merino Ultra Socks. Designed for trails in mind, these merino socks provide the durability and breathability to traverse any outdoor adventure. These socks features open mesh channels with merino wool to help regulate heat and enhance breathability. Anti-slip materials are added for a strong grip on more slippery surfaces and zonal terry cushioning in the forefoot and heel aid in comfort. Finished off with support on the arches and upper heel the ON Merino Ultra Socks has the durability and comfort to tackle any trail.