These are MOUNTAIN SOCKS, soft type, hiking socks made by Caravan, a comprehensive manufacturer of mountaineering equipment. These socks are the perfect thickness for hiking and outdoor activities. [Brand] Caravan [Product Name] MOUNTAIN SOCKS [Color] Brown [Size] L (24-27cm) Acrylic (dry acrylic) 55% Wool 38% Nylon 4% Polyurethane 3% Used only once for hiking. Please check the product images before purchasing as this is a used item. The thickness is normal. It doesn't feel thick.