Pro Dry Midsock is a pro-grade training sock suitable for high-intensity workouts and longer runs. This technically advanced sock offers excellent moisture transport and ventilation, and features terry reinforcement in critical areas and grip yarn in heel and toe to avoid slipping and blisters. - Terry reinforcement in critical areas - Rib support knit around ankle for superior fit - Nanoglide stripes under the forefoot to avoid slipping and blisters - Flat toe seam to eliminate chafing - Arch support - Ergonomic left and right fit