
Built for the Cold. Designed for Your Life.
Even Heat, Zero Cold Spots
ThermaStride's integrated heating elements distribute warmth across the entire foot — no hot patches, no cold corners. Your feet stay at a steady, comfortable temperature no matter the conditions outside.
Ready for Any Winter Activity
From ski slopes to construction sites to your couch, ThermaStride adapts to wherever cold weather finds you. The snug elastic knit design stays in place through every step without cutting off circulation.
Effortless Care, Lasting Performance
Detach the battery pack, toss ThermaStride in the machine, and you're done. The heating elements are fully protected through every wash cycle, so performance never degrades over time.
Safe Power, All Day Long
The waterproof charging interface keeps moisture out during outdoor use and charging alike. Heating elements are insulated deep within the fabric, so your skin only ever feels gentle, steady warmth.
What our 17,000+ Customers say
Based On Real and Honest Experiences
Frequently Asked Questions
Can I machine wash ThermaStride socks?
Can I machine wash ThermaStride socks?
Yes — just detach the battery packs before washing and run a normal cycle. The heating elements are fully protected inside the fabric, so they come out clean and performing just as well as when they went in.
How long will the battery last on a single charge?
How long will the battery last on a single charge?
On the lowest heat setting you can expect 6–8 hours of warmth, while the highest setting delivers 3–4 hours. For most full days out, the low or mid setting is more than enough to keep you comfortable.
Are these suitable for skiing and snowboarding?
Are these suitable for skiing and snowboarding?
Absolutely. ThermaStride was built with winter sports in mind. The moisture-wicking fabric keeps your feet dry inside your boots, and consistent heat output means no cold surprises mid-run.
What are the available temperature settings?
What are the available temperature settings?
ThermaStride offers three heat levels ranging from 45°C up to 55°C. Whether you need a gentle background warmth or full heat on the coldest days, you can dial it in with a single button press.
Will these fit my shoe size?
Will these fit my shoe size?
ThermaStride uses a flexible elastic knit construction that stretches to comfortably accommodate most adult foot sizes. The fit is snug enough to stay in place without compressing your foot or restricting blood flow.
How do I charge the battery packs?
How do I charge the battery packs?
Use the included USB cable and plug it into the waterproof charging port on each battery pack. A full charge takes roughly 2–3 hours, and you can charge both packs simultaneously from any standard USB source.
Is it safe to have heating elements against my skin?
Is it safe to have heating elements against my skin?
Completely safe. The heating elements in ThermaStride are embedded within multiple insulating fabric layers, keeping them away from direct skin contact. Heat is delivered evenly and gently — there is no risk of burns or overheating.
Can I wear ThermaStride socks indoors?
Can I wear ThermaStride socks indoors?
Of course! They work just as well around the house as they do on a mountain trail. Whether you're working from a cold home office or relaxing on the sofa, ThermaStride keeps your feet cozy without any extra bulk.