• polyester
• Warm Your Feet Immediately - These electric heated socks can warm your feet in less than 30 seconds. Simply touch the built-in controller switch or the remote controller to choose from 3 heat settings - high heat, medium heat, and low heat - anytime anywhere without any embarrassment.
• High Powered Heated Socks - Comes with a remote controller, pairing with two 4000mAh 3.7V lithium batteries and can be fully charged in about 4 hours, this pair of heated socks have 3 level temperature setting. High-red: 145℉ - 150℉ lasting 4-4.5 hours; Medium-green: 130℉ - 135℉ lasting 5.5-6 hours; Low-blue: 110℉ - 115℉ lasting 7-7.5 hours. No freezing toe, they keep your feet comfortably warm in cold weather.
• Instep & Forefoot & Toes - 2 Heating Area Heated Socks - Velazzio Newest Heated Socks designed heating soles, insteps and toes. Our Heated Socks must be great for cold feet. Perfect for motorcycle, skiing, fishing, travel, camping, cycling, winter cold weather, outdoor sports, keep you warm and comfortable all day.
• Soft Breathable Insulated Material & Two Size - Absorbent, breathable, quick-drying, elastic thickened, soft and durable - superior moisture wicking ability, prolong sock’s life and add comfort for you. Make your icy feet dry, comfortable and warm in cold days, two size suitable for most American men and women, this pair of heated socks is the best gifts for women men.
• [What You Get] IMPORTANT - BATTERIES MUST BE PAIRED WITH THE PROVIDED REMOTE, OTHERWISE AUTO TURN OFF IN 10 - 30 MINS, please follow instructions for pairing. 1 pair of socks, 2 x 3.7V Li-ion batteries, 1 cable, 1 Remote Control.

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty