The smart fitting PhD Ski Light socks from SmartWool offer strategically placed cushioning, but keep the rest of the sock light. SmartWool PhD Ski Light socks offer low bulk, comfort and a particularly good boot fit. WOW wool on wool technology in the shins and soles adds cushioning in these potentially sensitive areas. SmartWool process ensures excellent moisture wicking, breathability and insulation with no itch softness, and they're shrink free! Merino wool provides excellent temperature control and moisture management reinforced with stretch nylon to maintain fit. 4 degree banded fit system features elastic arches and ankle braces, along with contour flex zones to eliminate bunching, slipping and sagging. Side panels and toe seams are flat knit to reduce compression and maximize ventilation ribbed cuffs hold socks up. Discount will be applied when you check out. Offer not valid for sale price items ending in .3 or .9.