When temperatures drop below freezing – and stay there – your base layer becomes the most important piece of gear you own.
Not just any base layer. One built specifically for your body, your activity, and the brutal cold.
That's why we're proud to introduce our Custom Thermal Base Layers – engineered for extreme cold, designed for you.
Why Standard Base Layers Fall Short
Off-the-shelf thermal wear makes compromises.
One fit for everyone. One fabric weight for all conditions. One level of warmth that's often either too much or not enough.
In extreme cold (below -20°C / -4°F), those compromises can become dangerous.
A loose fit traps cold air. The wrong fabric holds sweat against your skin, leading to chill. Thin spots over your core mean heat escapes exactly where you need it most.
Our custom approach solves every one of these problems.
Engineered for Extreme Cold – The Key Features
1. Custom Fit – No Gaps, No Bulk
Every order is tailored to your team's body measurements.
The result: a snug but non-restrictive fit that locks in heat, wicks moisture efficiently, and layers perfectly under mid-layers and shells.
2. Thermal Fabric Systems – Choose Your Level
We offer multiple fabric options depending on your cold-weather intensity:
| Grade | Temperature Range | Best For |
|---|---|---|
| Light Thermal | 0°C to -10°C | High-exertion activities (ski touring, snowshoeing) |
| Mid Thermal | -10°C to -20°C | All-purpose extreme cold (ice climbing, winter hiking) |
| Heavy Thermal | Below -20°C | Low-movement or extreme exposure (winter camping, polar work) |
3. Advanced Moisture Management
Cold + sweat = danger.
Our thermal base layers use a dual-zone knit structure:
High-density inner face traps warm air
Open-channel outer face pushes moisture away to evaporate
You stay dry. You stay warm.
4. Strategic Seam Placement
No more chafing under pack straps or harnesses.
We map seams away from friction zones and use flatlock stitching throughout – so your gear moves with you, not against you.
5. Anti-Odor Finish (Optional)
For multi-day expeditions, we can add a silver-ion anti-odor treatment.
Wear it longer. Pack lighter. Stay fresher.
Who Is This For?
Our Custom Thermal Base Layers are ideal for:
Mountain guides & outdoor professionals – Gear that performs day after day
Search and rescue teams – Unpredictable weather demands reliable warmth
Winter expedition groups – Custom sizing for every team member
Ski patrol & winter resort staff – Long hours in exposed conditions
Corporate adventure retreats – Branded warmth your team will actually use