- -50° C
- There is no warmest sock than these.
The Treeline Men's thermal base layer from Stormtech retains body heat through its dense knit and H2X-DRY® technology. Ideal for outdoor work and daily commutes in severe cold, it holds down to -25°C / -13°F. GRS-certified recycled polyester, regular fit. Available from S to 6XL.
The Treeline is a dense-knit thermal base layer 1/4 zip, built to retain body heat during sustained effort. H2X-DRY® technology moves sweat away, and the GRS-certified recycled polyester in its composition makes it a technical, responsible choice.
On an outdoor post in the depths of winter, staying active without ever stopping for long, this kind of base layer avoids the damp that chills the moment you slow down. It's worn all day under a work jacket, with no need to change between the morning commute and the end of the shift.
The manufacturer's classification places the Treeline in the Extreme Cold range, down to -25°C / -13°F. The dense knit retains body heat, and H2X-DRY® technology moves sweat away to prevent the cold, damp feeling when at rest. Worn alone during sustained activity, or under an insulated jacket for the lowest temperatures.
A technical thermal base layer, built to be worn alone or as a first layer.
The three-layer system:
* Indicative temperature. Perceived warmth varies with activity, body type, humidity, wind and the layers worn underneath.
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