When you need a clever pair of socks on your feet these Smartwool unisex trekking socks are a great choice for outstanding performance. Designed for rugged day hikes or moderate backpacking these socks perform well when clambering up rocks or down steep hillsides. These socks provide good insulation ensuring your feet don't freeze inside the boot. With an arch brace to hold the sock in place these socks give additional support ensuring your sock does'nt slip down the foot when walking. This sock is the walkers choice for a durable, good value sock.