JB Field's -50 Below Icelandic Socks (Knee Length, Extra Warm Wool Cushion) - 2 Pairs 85% PreShrunk Wool/15% Nylon Content- 85% PreShrunk Wool & 15% Nylon Knee length for additional warmth ProtecGuard anti-odor protection inhibits the growth of odour causing bacteria. Suitable for extreme weather up to -50 Below! Pre-Shrunk Wool - Merino Wool is the finest quality of easy care wool for exceptional warmth and softness. Features such as wrinkle resistance, colorfastness, and shape recovery (resiliency) combined with the inherent benefits of wool, are sure to keep you feet cooler in the summer and warmer in the winter. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!