Thermal full cushion boot socks designed for people who are on their feet for extended periods of time. Impact support zones (protects heel and toe), full cushion, and wool construction make it the perfect boot sock for activities such as hiking, mountaineering, trekking and rugged work.Sizes available:Large (Men’s 8-12 Shoe / Women’s 9 -13 Shoe)Content- 50% Wool, 25% Acrylic, 25% NylonImpact Support Zones are strategically reinforced zones for added foot protectionFull Cushion- Fully Terry Cushion for increased comfort and addedMid Weight: 112-132 grams(M-L)Made Proudly in Toronto, Canada