Women's Merino 150 Siren Bikini

Women's Merino 150 Siren Bikini - View 3

Women's Merino 150 Siren Bikini - View 4

Women's Merino 150 Siren Bikini - View 5

Women's Merino 150 Siren Bikini - View 6

$26.8 ~~$40~~ In stock

The Merino 150 Siren Bikini is stretchy and soft next to your skin, a slim-fit underwear for go-to everyday comfort. The Siren's lightweight Merino Corespun fabric is naturally odour resistant and helps regulates body temperature in all weather conditions.

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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 (5.0 / 5 · 5 reviews)

Owen K. ★★★★★ Oct 22, 2026

The fabric is so soft and stretchy, it honestly feels like wearing nothing at all. I've worn it all day without any itchiness or bunching up.

Matthew ★★★★★ Oct 21, 2026

I love how the lightweight merino corespun fabric feels cool and soft all day, even during warm commutes. The slim fit stays put without riding up, and the odor resistance is a real bonus for busy weeks.

Matthew U. ★★★★★ Oct 20, 2026

Three weeks of daily wear and it still doesn't smell, which is huge for me since I sweat a lot at my desk job. The slim fit stays put without digging in, and it's light enough that I forget I'm wearing it by lunch.