Material: Polyester+Wool Size: For shoe size 37-46 Shape: Socks Color: Black gray, Light gray, Dark gray, Blue Pattern: Socks Quantity: 3 pairs Package Contents: 3 pairs of autumn and winter warm socks 1. KEEP YOUR FEET WARM: Provide extra warmth for the coldest winter days. Thick warm brushed fleece lining makes these heated socks gentle on your feet during long outdoor activities 2. HIKING, SKIING, WORKING, OR INDOOR ACTIVITIES: Fleece sleeping socks, comfortable slipper socks. Thick thermal yarn keeps your feet warm for long periods of time. These soft, thick warmer thermal socks provide length for cold feet, creating a warm air vacuum next to the skin. 3. Soft and cozy high pile cushioning, these heated thermal socks will keep your feet warm, toasty, fully supported, and comfortable. Prevents the heated socks from slipping; Smooth toe seam reduces abrasion and improves comfort. Reinforced heel and toe, deep thermal yarn enhances durability. Ideal as work gear in cold weather; ideal for outdoor sports, camping, and skating. 4. INCREDIBLE WARMTH EVEN IN EXTREME TEMPERATURES The special design of the cold weather insulated thermal socks keeps your feet warm even when the outside temperature is too low. Thermal Warmth heated socks are ideal for outdoor work, skiing, hiking, and camping enthusiasts.