Darn Tough's Padded Ultralight gives skiers and riders a sock that provides cushioning to eliminate pressure from forward lean, buckles, and power straps, while flat jersey construction meets the demands ofthe shell fit customer. Made from soft merino wool, nylon, and Lycra spandex in a high density knit for Darn Tough durability and blister free bliss. Darn Toughs fine gauge merino wool regulates temperature, manages moisture, naturally resists odor, and does not shrink or itch keeps your feet dry and warm. Ultralight, flat jersey construction to meet the demands of both the shell fit customer and Nordic athlete. High density knitting provides cushioning for your feet and padding for your shins, without unnecessary bulk. Over the calf, jersey knit for a custom fit with new padded shin. Reinforced heel and toe for durability. Elastic support around the arch for added endurance. True Seamless construction: undetectable toe seam in an ultralight sock for blister free performance. Bottom line: if your boots fit better and your feet are warm, at the end of the day, you're still on the hill.