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Compare Wool Base Layers head to head
Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.
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#2 on this list
Merino 150 Baselayer
Smartwool
Lightweight summer merino with excellent fit and durability.
- Price
- $269 MSRP
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched

#3 on this list
Aspect Midweight
Ridge Merino
Best value 100% merino from a smaller US brand.
- Price
- $269 MSRP
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
Specs side by side
| Spec | Merino 150 Baselayer | Aspect Midweight |
|---|---|---|
| Fabric Weight | 150 g/m² | — |
| Material | 100% Merino Wool (some blends exist) | 100% Merino Wool |
| Fit | Slim, Athletic | Athletic, next-to-skin |
| Seams | Flatlock | Flatlock |
| Care | Machine wash cold, tumble dry low | — |
| Weight (g/m²) | — | 180 g/m² |
| Odor Resistance | — | Excellent |
| Country of Origin | — | Designed in USA, Made in China |
What our reviewers liked and didn't
Merino 150 Baselayer
- Exceptional breathability for warm conditions
- Superior odor resistance for multi-day use
- Surprisingly durable for lightweight merino
- Excellent next-to-skin comfort and soft feel
- Quick-drying and highly packable
- Higher price point than many synthetics
- Not ideal for standalone warmth in cold weather
- Susceptible to snags from abrasive surfaces
Aspect Midweight
- Excellent value for 100% merino wool
- Effective temperature regulation and moisture wicking
- Superior natural odor resistance for multi-day use
- Comfortable next-to-skin feel, non-itchy
- Good midweight warmth suitable for diverse conditions
- Not as durable as synthetic blends for rough use
- Slightly heavier than ultralight alternatives
- Limited color options compared to larger brands
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.


