These ski socks from 66°North use PrimaLoft insulation to deliver reliable warmth and comfort during cold-weather skiing. Designed for performance on the mountain, they pair synthetic insulation technology with a construction suited to life inside a ski boot. PrimaLoft's lightweight, compressible fibers help retain heat even in damp conditions, making these a practical choice for full-day sessions on snow.
PrimaLoft synthetic insulation for warmth in wet conditions