The TrailWool 185 Women’s Base Layer is built for high-output adventure and cozy downtime. Crafted from 100% ultrafine merino wool, this layer excels in breathability, odor resistance, and all-day comfort across shifting climates.
- Designed as the best merino wool base layer for women, ideal for hiking, skiing, camping, and more.
- 185g merino provides soft warmth with zero itch, while resisting odors naturally—perfect for multiday treks.
- Flat seams prevent chafing; gusseted underarms support full mobility during alpine climbs and deep snow descents.
- Built-in UPF 30 blocks sun during exposed hikes.
- Field-tested from Colorado trails to Vermont slopes; this lightweight merino wool top for camping thrives solo or layered under shell jackets.
For longevity, here’s how to maintain your merino wool base layer: machine wash warm using a wool-specific detergent, never wring, and tumble dry low. Skip bleach and dry-cleaning to preserve texture.
Patricia Armstrong (verified owner) –
Hands-down the best merino wool base layer for women. I wore it five days straight trekking Yosemite—still felt fresh!
Caitlin Brown (verified owner) –
I was skeptical ordering thermal gear online, but glad I did. Lightweight and ideal for breezy camping nights.
Michelle Cook (verified owner) –
Used this skiing in Jackson Hole. Comfortable and truly odor resistant. The sleeve length and cut are just right!