Liner socks can be essential to moving moisture away from your feet and preventing blisters. The T2 Liners employ Coolmax fabric to both move perspiration away from the body and keep your feet cool.
Medium: US Men's 7.5-9.5 / Women's 9-11
Large: US Men's 10-12.5 / Women's 11.5
Extra Large: US Men's 13-15