Hotronic PowerPlus S4+ Footwarmer
Best heating solution for dedicated skiers in extreme cold climates.
This heating system provides a reliable way to keep feet warm in extreme cold by integrating directly into existing footwear. It offers four distinct heat levels, allowing for a balance between long-lasting, low-level warmth and short, high-intensity bursts for immediate relief.
$269.00
at
Aspen East Ski Shop
More FootWarmer options
Who it's for
- Skiers and outdoor workers spending full days in freezing temperatures
- Winter athletes who need adjustable warmth for varying activity levels
- Multi-sport enthusiasts wanting one heating system for all their footwear
Who should skip it
- Individuals who prefer simple, plug-and-play accessories over DIY setups
- Minimalists seeking a streamlined profile without external hardware
- Budget-conscious shoppers looking for an affordable cold-weather solution
Performance breakdown
Battery Longevity
Industry-leading runtime keeps toes warm through the longest lift-served days.
Temperature Versatility
Four distinct settings handle everything from mild spring slush to arctic freezes.
Installation Complexity
Requires careful DIY effort to properly integrate elements into existing insoles.
Footwear Compatibility
Universal design fits seamlessly into almost any ski or hiking boot.
Heat Consistency
Reliable power delivery ensures steady warmth without sudden, uncomfortable temperature spikes.
Durability
Rugged construction withstands the harsh, moisture-heavy environment of mountain sports.
Key Specs
Battery Type
Hotronic S4+ NiMH
Heat Settings
4
Battery Life
19.5 hours
Temperature Range
84 to 173 degrees Fahrenheit
Compatibility
Ski boots, snowboard boots, hiking boots
Power Source
Battery Powered
Accessory Type
Boot Heater
Boot Pair Capacity
1 pair
Attachment Method
Installs on existing insoles
Includes
2 batteries, 2 elements, charger, covers, instructions
Know before you buy
Still have a question?
Ask Metto anything about the Hotronic PowerPlus S4+ Footwarmer before you decide.