Top 10 · Compare
Compare Best Long Underwear head to head
Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.
Back to the full Top 10
#7 on this list
Super Thermo Mesh
Brynje
The Norwegian mesh string layer — bizarre-looking, unmatched moisture handling in deep cold.
- Price
- Check current price
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
#8 on this list
Capilene Thermal Weight
Patagonia
The synthetic benchmark: grid fleece that dries faster than anything wool on this list.
- Price
- Check current price
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
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
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.