See our heated base layer in action on mountains, trails, and chilly mornings. Lightweight fit enables full mobility while delivering reliable heat in any weather.
This heated layer changed my entire ski trip! Quick heat-up and lasted all day on the slopes.
Dave M., Denver, CO
Lightweight and powerful—kept me cozy on my winter hikes. Machine washing is a breeze.
Emily R., Toronto, ON
Amazing fit and performance. The three heat settings are perfect for changing conditions.
Liam S., Zurich, CH
Real-World Warmth
Proven Performance
Based on a user survey of winter sports enthusiasts. Individual results may vary.
What They Say
Game Changer
All-Day Comfort
Perfect Fit
Advanced Heating Tech
• ThermoSphere™ auto-regulates temperature to prevent overheating. • Three adjustable heat settings to suit your needs. • Slim, breathable fabric wicks moisture and stretches with you.
Ready for Your Adventure
Gear up for your next winter outing with confidence. Limited Black Friday deal—don't let the cold slow you down.
Frequently Asked Questions
Plug into any 5V/2A USB power bank. It heats up in 30 seconds and is compatible with most portable chargers.
Yes, simply detach the USB cable and machine wash on a gentle cycle. Air dry for best results.
On the medium setting, you’ll get up to 10 hours of continuous warmth from a standard 5V/2A power bank.
Three levels—low, medium, high—adjustable via a single-button controller to match any temperature.
We offer 30-day returns on unused items. Contact support for a full refund or exchange.