Twin Boat Fuzzy Socks are made out of super soft durable poly fiber with the right amount of elasthane for stretch and comfort. The fuzzy yarn make these perfectly warm socks for women who have cold feet in winter. Our fluffy socks have elasticized openings that won’t dig into your calf. These cozy socks are a treat for cold feet in winter. ANTI-SKID GRIPPERS: Twin Boat womens fuzzy socks have anti-skid grippers at the bottom to prevent for slipping on hardwood floors, tiles. The grippers make these perfect for hospital socks, elderly, pregnant women, recovering patients. Soft, fluffy pile keeps toes cozy making these sleeping socks a must have. These make for great gifts during winter. EASY WASH & CARE: Twin Boat fuzzy socks are machine washable in cold gentle cycle. Best to line dry (but can be tossed in a dryer on low heat). Wash with like colors for first wash. So soft & stretchy, your feet will love them!