Lightweight and minimalistic, Ultralight design maintains strength and durability while 30% less robust than the classic model. Compression fibers reduce muscle fatigue and soreness. 20-30 mmHg, Medical grade technology is scientifically proven to increase blood circulation by 40%. Anatomical design fits your calf, ankle, and foot like a second skin making this the best sock for the perfect ski boot fit. Padded cushioning ensures a comfortable, yet lightweight fit. Feel lighter on your feet and less fatigued with the best performance ski sock thats perfect for all day skiing and snowboarding. Enhance your ski experience and recover faster.