USB Heated Insoles, Cut-to-Fit Foot Warmers

USB Heated Insoles – Cut-to-Fit Foot Warmers for Boots & Shoes

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$69.00 $89.99

Size & fit guide

Ships within 1–3 business days. Shipping cost is calculated at checkout.
Problem with your order? Contact us and we will make it right.

Shipping & returns

Key features

Ultra-thin heating layer that fits inside most boots and shoes
Trim-to-fit design: cut along the size lines to match your shoe
Powered over USB, works with a power bank or USB adapter
Great for skiing, hunting, ice fishing, hiking and cold-weather work

See all features & specs

Overview

Cold feet are the first thing to ruin a winter day. FROSTLINE Heated Insoles slip into your boots or shoes and gently warm the soles of your feet, so you stay comfortable from the first run to the last.

What's in the box

1 pair × FROSTLINE Heated Insoles
1 × USB cable

Features

Ultra-thin heating layer that fits inside most boots and shoes
Trim-to-fit design: cut along the size lines to match your shoe
Powered over USB, works with a power bank or USB adapter
Great for skiing, hunting, ice fishing, hiking and cold-weather work

Care & notes

Trim only along the marked cutting lines and never cut into the heating wires.
If used with a power bank: Powered by a standard 5V USB power bank (sold separately). Use a power bank rated for at least 5V/2A for best heat output.

Technical specs

Best use	Skiing
Fits sizes	EU 35 – 46 (cut to fit)
Power	USB (power bank or adapter not included)
Colour	Black
Sizes	EU 35–46 (trim to fit)

Size & fit

Choose your insole by cutting along the size line that matches your shoe length (EU 35 – 46). Cut conservatively; you can always trim a little more.

Available sizes

EU 35–46 (trim to fit)

Ask us about sizing

Shipping & returns

Shipping

Orders are processed within 1–3 business days. You will receive an email with tracking information as soon as your order ships.

Typical delivery after shipping: United States 7–15 business days, Canada, UK and Europe 10–20 business days, rest of world 12–25 business days. Estimates can vary in peak season and bad weather.

Shipping cost is calculated at checkout based on your location and order.

Returns & problems

Item arrived damaged or not as ordered? Contact us with your order number and we will make it right. For any other return question, message us through our Contact page and we will reply within 1–2 business days.

Read the full shipping policy

Battery & safety

Battery & charging: This product contains a lithium battery. Charge only with the included or a certified USB charger, do not charge unattended or overnight, keep away from open flame, and do not use if the battery is swollen or damaged. Because of the lithium battery, shipping may be slower than for standard items. (Applies to the power bank you use.)

Q&A

What comes in the box?

You get one pair of FROSTLINE Heated Insoles and a USB cable. A power bank or USB adapter is not included.

How are the insoles powered?

They run over USB, so you can plug them into a standard 5V USB power bank or adapter (sold separately). For best heat output, use a power bank rated for at least 5V/2A.

How do I get the right fit?

The insoles fit EU 35–46 and are trim-to-fit. Cut along the size line that matches your shoe length, and cut conservatively since you can always trim a little more.

Any safety tips I should know?

Trim only along the marked cutting lines and never cut into the heating wires. If you use a power bank, charge it only with the included or a certified USB charger, don't charge unattended or overnight, keep it away from open flame, and don't use it if the battery is swollen or damaged.

Have another question? Contact us.