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

Soft and stretchy merino wool underwear with a modern slim fit, the Siren Bikini features our corespun fabric that’s incredibly soft and durable.

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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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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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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 (4.6 / 5 · 5 reviews)

Chloe M. ★★★★★ Oct 22, 2026

The corespun fabric is surprisingly durable but still feels buttery soft against the skin. I wore these on a long hike and they stayed comfortable with no chafing at all. The modern slim fit is exactly what I was hoping for.

Ellie R. ★★★★★ Oct 21, 2026

These are the first bikini bottoms I've owned that don't dig in or leave marks, thanks to the soft merino blend. The slim fit is flattering under my work pants, and I've already ordered a second pair.

Jacob ★★★★★ Oct 19, 2026

I’ve been wearing these daily and the corespun fabric really holds its shape without pilling or stretching out. The stretchy merino moves with me perfectly under my favorite leggings.