【All sales are final. There is no returns or exchange. Please be sure about your purchase before placing your order. 】 -Buy one get one for free! Total 2packages/4 pairs -Merino Wool Blend Ski Socks Winter Warm Thermal Snow Socks, Skiing Snowboarding Skating/Blue - Heel to toe 7 inch -Shoes size: Youth 3-4 / Women 5 -[Materials & Size]70% Merino Wool,30% Volcanic Rock Fiber. We choose Merino Wool & Volcanic Rock Fiber to made these socks. Volcanic Rock Fiber is made of Volcano Rock beneath great pacific ocean with most durable feetures of long lasting storage of heating. When it's cold outside,the natural crimps and bends in its fibers trap air, insulating you. Never afraid of getting cold any more once your kids wear the wool skiing socks. -[Stay Up] - Equipped with NON-SLIP CUFF that ensures that the sock stays up. Socks slipping down in the boots is a thing of the past; ski socks are elastic at the top can ensure the high performance socks from slipping down.