Mobile Warming Heated Socks

Feet are one of the hardest areas to keep warm because circulation drops off at the extremities, and standing on cold ground pulls heat away fast. Mobile Warming heated socks deliver targeted warmth to the toes with slim heating elements and small battery packs that clip at the cuff. The range runs from standard 3.7V socks to premium merino and compression styles, plus Bluetooth-controlled batteries.

Mobile Warming Heated Sock Buying Guide

Where the Heat Goes

Heating elements sit across the toes, the first area to go numb in the cold. The socks fit inside your normal boots, and battery packs clip discreetly at the top of the calf. Merino and premium styles add natural insulation and moisture management on top of the active heat.

Fit and Control

A snug fit matters — bunched fabric creates cold spots and cuts circulation. Bluetooth-enabled batteries let you adjust heat from your phone without reaching down into your boot, which is a real advantage mid-activity.

Warm Feet Start Warm

As with gloves, warm feet depend on a warm core, so pair socks with a heated vest or heated jacket for the best result.

Shop related collections: Heated Base Layers | Heated Vests | Batteries | All Mobile Warming

FAQs

Who makes Mobile Warming heated socks?

Mobile Warming is Fieldsheer's heated-apparel line, and socks are one of its core categories. The design is consistent across the range: a thin 3.7V battery clips in at the top of each sock and powers heating elements over the toes, where cold hits first. The range runs from the standard synthetic sock at around $55 up to merino and compression models at around $110 to $140, with batteries, remotes, and cables all sold separately as replacements.

Which model should I choose — Standard, Merino, Premium, or Pro?

The ladder is mostly about fabric and features. The Standard sock (around $55) covers the basics. The Merino and Wool Blend models (around $70) add natural fiber for better comfort and moisture handling. The Premium 3.0 Merino (around $110, in men's and women's versions) is the sweet spot for regular winter use, and the Pro tier (around $130 to $140) tops the range, including a compression version for long days in ski boots. Match the sock to your hours outside.

How do I control the heat on Mobile Warming socks?

It depends on the battery you pair with the socks. Basic batteries cycle heat levels with a press. The Bluetooth batteries connect to Fieldsheer's phone app, so you adjust each sock's level without touching your ankles — genuinely useful inside ski boots. Several socks also work with a small remote, and Mobile Warming sells the replacement remote for around $4 if yours goes missing. Check your specific sock's product page to see which control options it supports.

Can I buy replacement batteries and parts?

Yes, and it's a real advantage of staying inside one system. Single Bluetooth sock batteries run around $34, dual packs with cables around $70 to $80, and replacement remotes are a few dollars. That means a lost or aging battery doesn't retire your socks, and a spare pair of batteries doubles your day for far less than a second set of socks. Confirm the battery matches your sock generation on the product page before ordering.

Can I wash Mobile Warming heated socks?

Yes — they're built to be worn and washed like socks, with one non-negotiable step: remove the batteries first, every time. Follow the care instructions on your model's product page; gentle washing and air drying are the safe defaults for anything with wiring in it. Don't wring them out, and let them dry completely before plugging batteries back in. Treated that way, the fabric and elements are designed to handle regular use season after season.