Features:*High-Quality Material: This heated insole is made of high-quality material, which is wear-resistant and durable, not easy to break, and can be used for a long time.*COMFORTABLE: The soft heated insole molds to the unique shape of your feet, so you can experience a soothing massage with every step, relieving fatigue and discomfort.*Keep warm: This thermostatic heating insole can gently warm your feet, promote bloods circulation and relieve the discomfort caused by cold.*Breathable: Designed with a breathable sweat-absorbent layer, lightweight and breathable, perfectly protecting and relaxing your heels, making your feet feel more comfortable.*Suitable for multiple scenarios: With constants temperature heating insoles, you can confidently participate in any cold weather activities, such as work, home, running, hiking, cycling, etc.Notice:*Actual color may be slightly different from the image due to different light effect*Please allow 1-3cm deviation due to manual measurementDescription:Material: spongeSize: 35-36, 37-38, 39-40, 41-42, 43-44, 45-46