Hotronic XLP 2P Bluetooth Power Set for Heated Socks Womens Waterproof Shoes 6mm back spoiler in the

6mm back spoiler in the box: A plastic piece that can be scratched on the back of the boot

coated with PFC-Free DWR

the textured jacquard knit fabric provides breathable comfort to help you stay cool while you run

Mesh construction on top of the sock provides ventilation for added breathe-ability

Hotronic XLP 2P Bluetooth Power Set for Heated Socks Womens Waterproof Shoes 6mm back spoiler in theHigh performance, low weight Li ion batteries in a compact design Output: 4400 mAh Intelligent charging technology (additional USB charging option) Constant heating power Controllable via Bluetooth and heat app HOT 01 0100 355 XLP 2P Bluetooth Power Set