1Pair Thermal Warm Self-heating Thick Insoles, Breathable Comfortable Shoe Pads1Pair Thermal Warm Self heating Thick Insoles, Breathable Comfortable Shoe Pads Winter wool insoles compound felt at the bottom to relieve pressure on feet. Warm shoe inserts fit most style of shoes, sneaker, boot, etc. Foot warmer wide range of application, all kinds of shoes can be useds Comfy slippers for men warm feet in cold weather wool heats up your feet even at very low temperatures; these winter shoe insoles are warm and pleasant. Wool