Warmth, Softness and Comfort: The heated shoe material is made of a very thick wool yarn upper combined with cotton filling, which is very suitable for indoor warmth. Foot warmers can help relieve cold feet. Enjoy heat therapy to relieve swollen feet, dry feet, cracked feet, painful or sore feet, and chronic foot pain. This foot warmer, which is super soft, will wrap around your feet to provide complete warmth with just the right amount of weight to help you relax. It's the solution for cold, tired feet, or just a little pampering when you need it. Can be used sitting or lying down. Great for use while watching TV, in the office, camping, after a long run or workout, after a cold day, keeps feet warm at night, soothes sore feet, relieves tension, warms cold feet, relieves arthritis pain AND MORE Rapid Heating Technology Rapid heating technology gives you unparalleled warmth and pain relief. This heating pad heats up in seconds for quick relief from muscle soreness. This helps speed up the healing process in the inflamed area. Our new generation of portable heat therapy equipment includes a safe built-in automatic shut-off feature to prevent overheating. The foot warming heating pad can make you no longer afraid of the cold, and can also be used as a Christmas and Thanksgiving gift.