the Hotronic XLP 1C Custom kit delivers more heat and is more compact than the S4+. The new XLP 1C battery is more powerful and lasts longer, so you’ll never have to cut a powder day short due to cold toes ever again!

The custom kit is designed for custom insoles and includes 2 XLP 1C batteries, USB recharging cable, 2 XLP C heating elements, and two cambrelle covers. Insoles are not included in this kit.

Features

• 3 constant heat power settings
• 4th Power Boost setting for a burst of heat
• 3000mAh capacity offers continuous heating power
• High-performance Lithium-Ion battery with USB recharging cable
• Cambrelle covers allow easy integration with all types of insoles, whether preshaped or customized