Merino Bikini Women's

$22.75 ~~$35~~ In stock

Ditch the cotton and go with these. Merino next-to-skin helps regulate body temperature, manages moisture, and resists odor much better than cotton. A Smartwool best seller.

Details

88% Merino Wool, 12% Nylon fabric for the perfect balance of comfort and durability in a lightweight wool baselayer
Core Spun Merino fibers wrapped around a nylon core that adds durability while maintaining soft Merino next-to-skin comfort
Soft Elastic Waistband
Smooth Flatlock Stitching adds Comfort
Slim Fit
Made In Vietnam
0.71 oz (20 g)

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Timothy ★★★★★ Oct 22, 2026

I wore these on a sweaty hike and they kept me dry and stink-free all day, which cotton never does. The next-to-skin feel is surprisingly soft and the temperature regulation worked perfectly.

Brian ★★★★★ Oct 21, 2026

Off for a week in the mountains and these kept me dry even during a sweaty afternoon climb. That temperature regulation really works—I wasn't freezing when we rested either.

Mia ★★★★★ Oct 20, 2026

I've been wearing these on hot hikes and the moisture management is amazing—I stay dry even when sweating. The merino wool feels soft and lightweight, and I love that they resist odor for days between washes.