BIAL Heated Insoles Foot Warmers Thermal Insoles for Women, Men USB Heat sole with Rechargeable 7.4 V 2400mAh Battery Pack Heat sole for Camping Hiking Cycling Skiing by Amazon.co.uk

• 【 Upgraded Heating System 】The heating insole adopts rutilated quartz nano heating material, featuring on perfect performance of laundry resistance, folding resistance and immediate heating, heat sole reaches a maximum of 131°F in 5-10 mins. It heats up from toe to heel and special heating treatment on the toes keeps heat concentrated on them.

• 【 Safe & Reliable Smart Power System with power display 】The battery heated insoles work under 7.4V low voltage. You can adjust the temperature to high, middle or low grade by simply clicking the thermal control button on the straps when necessary. The power indicator will keep you informed of the remaining power, and you’re free from power failure when on the go.

• 【 Anterior Trimming Foot Warmer 】Cutting from the front is to fix your toes on the heating area. We tailor the heating area to feet sizes. The unisex shoe inserts come with 3 sizes-Small, Medium and Large, perfect match and fit with sneakers, snow boots,a good companion when go fishing and hunting.

• 【 Soft & Anti-Slip & Washable heat sole 】Built-in high-temperature endurable memory foam and breathable materials in provides you a more comfortable wearing, keeping feet dry from humid, damp sweaty situation. TPU material and printing anti-skid pattern in USB heated insoles upgrade anti-slip performance and increase friction during climbing sports.

• 【 Quick & Lasting Heating, Multi-sports Applicable 】Heated soles work for 6 hours in low grade and over 2.5 hours in high grade. Wearing our heat insoles enables you light and nimble in movement when sledging, running, motorcycling, riding etc, say goodbye to chilly feet. Ideal Gift for the friends, families and the upcoming Christmas.