80% cotton , 12% polyester ,8% Elastane material coolmax
【Soft and Breathable Material】Rechargeable Electric Battery Heated socks made with 80% cotton , 12% polyester ,8% Elastane material.Absorbent, quick-drying, elastic thickened. Imported heating elements and quality material.Fast heating in 30 seconds，the feet get comfortable and warm.Sun Will heated socks are the best choice for Halloween,Thanksgiving,Birthday and other festivals.
【Heating Elements Covers Instep and Toes Area】Upgraded heated socks use far infrared heating elements，stimulate your blood circulation . Great for raynaud's disease,bad circulation,arthritis foot and chronically cold feet & stiff joints.
【7.4v 2200mah Batteries&3 Settings Temperature Controller】Battery socks powered by with UL/CE certified 7.4V 2200mah rechargeable lithium battery packs，full charge around 3-4 hours，duration 3 - 8hours with 3 heat setting. controller LED red is for high temperature,white for medium temperature,blue for low temperature.you can easily adjust the temperature.
【Perfect for Variety of Sports Outdoors】Great for hunting, skiing, fishing, hiking, walking dogs,snowboarding, motorcycle, riding and sporting events.Sun Will heated socks will be a great choice for cold winter.
【100% Satisfaction Guarantee】Offering 1 year worry-free warranty！If you have any problems （Size, quality, etc.）, please contact us by email.Socks are available in four sizes S, M, L, XL.Please select the appropriate size according to our size chart picture.