For serious runners looking for maximum protection and minimum weight, specifically made for feet prone to blisters, foot pain and discomfort

Thorlon blended with Lycra Fresh FX fiber provides moisture wicking for drier, cooler feet
Contoured ventilated sock frame for less weight, moisture control and aerodynamic fit
Extra cushioning over the toes to help prevent runner's toe Thorlo 84N Runner Sock (Womens) - Black/Pink Stripe