ThermoStep™ Smart Heated Insoles – Wireless Remote Controlled Thermal Foot Warmers (Cut-to-Fit / USB Rechargeable)

No need to bend down or unlace heavy winter boots. The ultra-compact wireless key fob lets you switch heat modes or power on/off instantly right from your coat pocket.

Integrated carbon-fiber heating elements heat the full forefoot and toe box in under 5 seconds: Low (40°C/104°F), Medium (48°C/118°F), and High (55°C/131°F).

Features clear printed guide lines on the back. Simply trim along the edge with household scissors to custom-fit any shoe, ski boot, or work boot.

Built-in ultra-thin lithium polymer batteries eliminate awkward external battery packs. Delivers up to 6–8 hours of consistent warmth on a single charge.

Engineered with high-rebound PU foam that cushions heavy impacts while resisting sweat and light snow moisture.