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#7 on this list
Super Thermo Mesh
Brynje
The Norwegian mesh string layer — bizarre-looking, unmatched moisture handling in deep cold.
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#8 on this list
Capilene Thermal Weight
Patagonia
The synthetic benchmark: grid fleece that dries faster than anything wool on this list.
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Specs side by side
| Spec | Super Thermo Mesh | Capilene Thermal Weight |
|---|---|---|
| Maker | Brynje | — |
| Model | Super Thermo Mesh | — |
| Material | Polypropylene Mesh | Polartec Power Grid (100% recycled polyester) |
| Construction | Open Mesh Knit | — |
| Weight Class | Lightweight / Midweight Layering | — |
| Best For | Deep Cold, High Output | — |
| Weight | — | Heavyweight |
| Fit | — | Slim, next-to-skin |
| Odor Control | — | HeiQ Pure permanent odor control |
| Drying Speed | — | Very Fast |
| Environmental | — | Recycled materials, Fair Trade Certified sewn |
What our reviewers liked and didn't
Super Thermo Mesh
- Unmatched moisture wicking in high-exertion, cold environments
- Creates excellent insulating air pocket when layered properly
- Exceptional warmth-to-weight ratio for its category
- Quick-drying properties prevent chilling
- Surprsiingly durable for its open-knit construction
- Unconventional appearance, not suitable as a standalone layer
- Requires proper layering to maximize insulation benefits
- Polypropylene can retain odors if not washed promptly
- Not ideal for casual wear or low-output activities
- Can feel slightly abrasive to some sensitive skin types
Capilene Thermal Weight
- Unmatched drying speed for a heavyweight base layer
- Excellent warmth-to-weight ratio with superior breathability
- Highly durable and abrasion-resistant synthetic construction
- Effective moisture wicking keeps skin dry during high exertion
- Made with 100% recycled content and Fair Trade Certified sewn
- Odor retention can be an issue over multi-day wear compared to wool
- Higher price point for a synthetic base layer
- Less comfortable for casual, static wear than softer merino blends
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