Skiing is one winter’s most fun activities, but even in cold weather, skiers typically sweat a lot. Ski boots & socks have long been known for becoming wet, cold and uncomfortable which can ruin the fun and bring about real problems.MOISTURE IS THE ENEMYDRYMAX SKI SOCKS KEEP FEET DRY & COMFORTABLE!The laws of physics dictate; no single fiber technology can attract and repel moisture at the same time. To overcome this, Drymax Ski socks utilize two different fiber technologies interwoven together. This Dual Layer design creates a self-contained Moisture Removal System keeping feet dry & comfortable in cold conditions. This self-contained system is very important because the ski boot’s enclosed environment gives moisture no chance of evaporating.