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#5 on this list
230 Competition
Ortovox
Austrian Merino with mesh panels where you overheat. Best for hard uphill in cold air.
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#6 on this list
Ullfrotté Original 400
Woolpower
Swedish terry-loop wool worn by arctic militaries. Loft that survives repeated washing.
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Specs side by side
| Spec | 230 Competition | Ullfrotté Original 400 |
|---|---|---|
| Material | 80% Merino Wool, 20% Polyamide | Ullfrotté Original (Merino Wool/Polyamide) |
| Weight | 230 g/m² (main fabric) | — |
| Fit | Athletic, form-fitting | — |
| Construction | Body-mapped knit | Terry-loop knit |
| Odor Resistance | High | — |
| Origin | Austria (wool) | Sweden |
| Maker | — | Woolpower |
| Weight Class | — | Mid-Heavyweight (400 g/m²) |
| Best For | — | Extreme cold, low activity |
What our reviewers liked and didn't
230 Competition
- Exceptional temperature regulation via body-mapping
- Highly breathable, prevents overheating during exertion
- Excellent odor resistance, suitable for multi-day use
- Comfortable, non-chafing seamless construction
- Good balance of warmth, durability, and stretch
- Premium price point may be prohibitive for some
- Requires careful washing to maintain integrity
- Snug fit may not appeal to all users
Ullfrotté Original 400
- Exceptional warmth in extreme cold
- Highly durable, resists wear and tear
- Terry-loop knit traps air effectively
- Maintains insulating loft after washing
- Wicks moisture surprisingly well for its thickness
- Retains warmth even when damp
- Bulky and less packable than lighter alternatives
- Can be too warm for high-output activities or milder conditions
- Higher price point compared to standard base layers
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