80% Thermolite, 17% stretch nylon, 3% spandex
Lightweight construction allows a snug fit for greater edge sensitivity and agility
Low-density padding under ball and heel protects against foot fatigue and blisters, while dramatically improving overall performance and boot fit
Low-density padding on the shin protects against bruises and abrasion while it provides for maximum transference of weight to ski edges

Thorlo's SL Ski Lightweight Sock is engineered to provide a snug boot fit for greater edge sensitivity and ski control. Thermolite is used to keep your feet warm and comfortable.