55% coolmax, 25% Elastic, 20% Spandex Imported 【Various Size Option】This heated socks with varous sizes option. S, M, L , XL . Size chart as following: S for size 5-6 foot ; M for size: 6-8.5 foot ; L for size:9-12 foot ; XL for size :12-14 foot . please check size chart pic on left . 【Heating Elements Covers Whole Toes,Top&Bottom of Foot】:these battery socks upgraded to use far infrared heating elements Which can be stimulate your blood circulation. In severe cold winter,select SNOW DEER electric heated socks is very important for people to prevent frostbite. Especially these socks can protect your whole freezing toes to go outside in the winter snow and ski etc. 【Upgraded One Touch Smart Controller With Power Indicator & Use 7.4V Battery Instead of 3.7V & 5V】: SNOW DEER battery heated socks with Upgraded one touch smart controller which with power indicator. you can easily know how much power left and adjust heat settings easily. Also we used 7.4V 2200mAh lithium polymer rechargeable battery .the heating time will longer than 3.7V&5V heated socks and the temperature will be more stable. 【Moisture-Wicking Fabric】: SNOW DEER heated socks upgraded to use a specially engineered type of polyester CoolMax . this fabric dries 5 times faster than cotton and reducing the likelihood of moisture-related podiatric conditions like athlete’s foot . 【Widely Uses】: SNOW DEER heated socks are used by many people for a variety of different reasons ranging from working in cold conditions, hunting,fishing,skiing,motorcycling,hiking.and even just having cold feet around the house. it is a perfect solution for those chilly winter nights and days. 【One-Year Warranty】: SNOW DEER has been the leader in heating technology and has earned the trust of our customers by standing by the quality and performance of our products . All our products are warrantied for one year after purchase . Any problems ,Just contact us freely , we would reply within 24 hours.
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