Long-Lasting Warmth for Cold Days：Stay warm up to 8 hours with upgraded 5000mAh rechargeable batteries. Provides consistent and comfortable heat during outdoor activities such as skiing, fishing, hiking, camping, or working in cold weather.Note: Heating time may vary slightly depending on the environment temperature and chosen heat level. 3 Adjustable Heat Settings：Features Low, Medium, and High heat levels for customized comfort. Easily switch settings with a single control button to balance warmth and battery life. Soft, Breathable & Washable Material：Made from premium cotton and spandex for flexibility, breathability, and comfort. Detachable battery design makes the socks easy to clean and reuse. (Remove battery before washing.) Ergonomic & Universal Fit Design：Elastic ribbed cuffs and reinforced heels provide a snug fit without slipping. Suitable for both men and women, fits comfortably under boots or work shoes. Perfect Gift for Winter Adventures：Ideal for outdoor lovers, workers, and sports enthusiasts. A thoughtful winter gift that brings lasting warmth and comfort during all cold-weather activities. Heated Socks Up to 8 Hours 5000mAh Rechargeable Electric Socks Washable Winter Foot Warmer Heated Socks for Men&Women for Outdoors Work Fishing Hunting Skiing Riding Camping