Being knitted cotton rich, for softness and breathability, is a great start for any sock, but with BlueGuard yarn engineering to put an absolute guarantee on their ability to stand up to punishment, these womens Storm Bloc BlueGuard Everdale Cotton Hiking Socks make themselves almost indispensable to anyone serious about their hiking! Carrying a lifetime guarantee against wear holes, these hiking socks are scientifically tested to be 30x more durable than a standard branded walking sock! Reinforced toe seams further add to the wear resistance. Crew length Storm Bloc BlueGuard Everdale Cotton Hiking Socks have a comfort fit, with full cuff to toe terry loop cushioning, along with elastic arch supports at the mid-foot to promote foot stability and prevent bunching or twisting out of place during wear. An extended heel section is added to protect the Achilles tendons and prevent rubbing at the upper heel. SOCKSHOP Storm Bloc Women's 1 Pair Storm Bloc with BlueGuard Everdale Cotton Hiking Socks in Navy Size: 4-8