USB HEATED SHOE INSERS CAN BE CUT TO SIZE: 35-40 Simple DIY customization – cut them to the desired size from the toe side. You can easily adjust the size of the insole to the shoe size. The cutting line with the size is visible on the sole.

CARBON FIBER – made from comfortable and flexible carbon foam material. They are noted for their high mechanical strength. They will provide lightness and additional shock absorption for your feet.

WASHABLE AND REUSABLE – the carbon material is washable and reusable, resistant to chemicals, suitable for disinfection and odor removal. Clean the insoles with a damp sponge and, after washing, allow them to dry before using.

SAFE TO USE - the voltage of the insoles is 5 V, therefore it is well below the safe voltage for the human body. Using the insoles is completely safe even in wet conditions.

SPECIFICATIONS – Material: foam carbon fiber; Universal size: 35-40; Heating temperature: max. 55°C; Power supply: USB; Cleaning with damp sponge; Dry before use; Water-resistant: yes; Heating time: 3-5 minutes; Adjustable size: yes; Output voltage: 5V; Adapter input voltage: 6V; Dimensions: 25/9 cm; Thickness: 0.5 cm; Weight: 0.074 kg; Packaging weight: 0.082 kg.