Ultra-light, silky-soft running sock with a higher shaft, developed for optimum comfort while exercising. Comfortable knit around the ankle, and elasticated to fit snugly around the foot. Shaped for right and left feet, with a Y heel to give a stable fit. Reinforced toe and heel. – Comfort welt. – Toe and heel in Nanoglide. – Anatomically shaped for right and left foot. – Ventilating mesh. Reinforced with nylon for added durability.