Warmth on demand. Comfort with every step.

Take on winter with Thermalis boots, featuring rechargeable heating technology built into the insoles. Choose from four heat settings (35°C, 45°C, 55°C and 65°C) using the convenient button on the tongue of the boot, and recharge easily with USB-C.

Soft polar fleece lining and memory foam cushioning keep your feet cozy, while water-resistant construction helps protect against winter moisture. Paired with Yellow’s Friksion outsoles for added grip, Thermalis boots combine warmth, comfort and style for your daily commute and outdoor adventures.

THERMALIS: Built-in Rechargeable Heating Technology
Water resistant
Functional zipper
Designed in QC

This style fits true to size, order your normal size.
Upper: Synthetic leather with inside zipper for easy entry and better fit
Lining: Extra warm and comfortable synthetic fur with 3M Thinsulate insulation
Lining of insock: Extra warm synthetic fur
Insole: Memory foam cushioning that naturally contours feet for all-day comfort and support
Outsole: TPR outsole with slip resistant Friksion technology
Round toe
Heel height (approx.): 3.5 cm
Heel type: Flat