When you need a boot sock with the most comfort and durability, these Merino Boot Cut Socks from Minus33 are your best pick! Designed with full cushioning throughout, vented ankle gussets, and 3-Zone Elastic to keep them in place, these socks are the ultimate in comfort. The Sculpted Heel plating will bring extra support and durability on the trails or the slopes while standing up to colder conditions. Fiber Content: 68% Merino Wool, 20% Nylon, 11% Stretch Nylon, 1% Spandex Total Easy Care: Machine Wash and Dry Wool Source: Australia Made in New Hampshire, USA! Height: 10" Boot Sock - Almost to mid-calf, this style is designed to be slightly above the standard 10" boot height. Weight: Lightweight Cushion: Full Insulation - A full terry covers the inside of the sock giving you total coverage for when things start to chill. 3 Zone Elastic: Elastic on the arch, ankle, and welt opening help keep your sock in place throughout the day. Vented Zones: Venting on the top of the sock lets your feet air out and stay cool. Heel/Toe Plating: Extra durability on the heel and toe keeps socks long-lasting. Seamless Toe: Smooth, comfortable finish on the toe Wool/Nylon Yarn: Minus33's Mountain Heritage sock collection uses wool/nylon yarn technology, which creates a durable sock with high wool content. Weight: 76 grams (Pair) Style #: S56