Why this collection makes a difference
The Ultra Warm collection has been designed to meet the needs of users who require active, long-lasting warmth in cold or extreme environments. Unlike passive insulating socks or products, Ultra Warm items incorporate heating elements — often combined with technical fibres such as merino wool — that distribute even heat around the foot or other targeted areas without compromising the fit in the shoe. This technology ensures superior thermal insulation, stable foot support and moisture management even during prolonged exertion.
What these products offer:
- Active, long-lasting warmth — Ultra Warm heated socks use thin integrated heating lines that distribute heat around key areas (toes, arch of the foot), with a battery life suitable for long outdoor activities when combined with Therm‑ic batteries.
- Thermal comfort and precise fit — Ergonomic construction and Smart Elastic® technology ensure an optimal fit without compromising comfort, even in tight technical footwear.
- Moisture management and breathability — Technical materials, including merino wool and strategic constructions, allow heat to diffuse while wicking away moisture to keep feet dry and comfortable.
Who these products are for
This collection is ideal for:
- Athletes and adventurers who engage in outdoor activities in cold or extreme weather and need active warmth to prolong their comfort over time.
- Those looking for technical heated socks that offer a good balance of comfort, warmth, fit and performance in winter sports such as skiing or snow hiking.
- Users who are sensitive to the cold or frostbite and want a more effective solution than traditional passive insulation to keep their feet warm throughout their outings.
Tips and best practices
To get the most out of these products:
- Combine Ultra Warm socks with compatible batteries (sold separately) to get enough heating power for the entire duration of your winter activity.
- Choose the right size and ensure an optimal fit to avoid pressure points or friction areas that can reduce comfort.
- In extreme conditions, combine these socks with other insulating layers or technical insoles to maximise overall thermal comfort and moisture management.
- Follow the manufacturer's care instructions (gentle wash, dry flat, remove batteries before washing) to preserve the technical properties of the fibres and heating elements.
