Light cushion shin and foot, over the calf height. Flat knit durable toe seam for high burst strength, 1x1 ribbed welt, 1x1 ribbed leg. * Women"s sock sizes Small (shoe size 4-6.5) Medium (shoe size 7-9.5) Large (shoe size 10-12.5) NOTE Women"s size Small fits Youth shoe size 2-4.5) * 67% Merino Wool, 31% Nylon, 2% elastane. Washer and dryer friendly! * New 4 Degree Elite Fit System uses two elastics for greater stretch and recovery to keep sock in place. Strategically placed mesh ventilation zones provide temperature and moisture management. * Patent pending ReliaWool Technology in high impact areas provides the longer lasting protection to keep feet comfortable.