Women's Merino 150 Siren Bra

$44.4 ~~$60~~ In stock

Our best-selling bra with a comfortable and lightly supportive fit, the Siren Bra features our 150gm jersey corespun fabric, which uses merino wool fibers wrapped around a nylon core for added strength and durability, while retaining next-to-skin softness. We've added a touch of LYCRA® for active stretch. The Siren’s sleek design and no-side-seam construction is perfect for everyday comfort and easy layering, while its thin adjustable elastic straps make for a barely-there feel.

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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)

Christopher V. ★★★★★ Oct 22, 2026

This bra is the first one I've actually forgotten I'm wearing during a long day of errands. The merino wool blend feels soft against my skin and doesn't get clammy, yet the nylon core gives it enough structure to hold up wash after wash.

Miles Z. ★★★★★ Oct 21, 2026

I was worried it might ride up during yoga, but the lightweight corespun fabric stays perfectly in place. The merino blend breathes well and doesn't feel scratchy at all.

Grace N. ★★★★★ Oct 19, 2026

I’ve been wearing this bra for light yoga and it stays in place without digging in—the corespun fabric really does add durability without sacrificing comfort.