Women's Merino 150 Siren Long Sleeve Sweetheart

Women's Merino 150 Siren Long Sleeve Sweetheart - View 3

Women's Merino 150 Siren Long Sleeve Sweetheart - View 4

Women's Merino 150 Siren Long Sleeve Sweetheart - View 5

$58.5 ~~$90~~ In stock

A soft and stretchy women’s T-shirt for everyday comfort, the Merino 150 Siren Long Sleeve Sweetheart features our corespun fabric that’s naturally odour resistant and soft next to your skin.

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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 (4.2 / 5 · 5 reviews)

Eva T. ★★★★★ Oct 19, 2026

I love that this shirt is naturally odour resistant, so I can wear it multiple times without washing—absolute game-changer for my daily routine. The corespun fabric is incredibly soft and stretchy, making it perfect for layering or wearing on its own.

Thomas R. ★★★★★ Oct 18, 2026

The sweetheart neckline is such a nice touch—it makes this shirt feel much more feminine than my usual basics. After a few wears, I’m genuinely impressed that it still smells fresh, and the fabric is softer than I expected for a performance piece.

Richard C. ★★★★☆ Oct 22, 2026

The sweetheart neckline is a nice change from my usual crew necks, and it layers perfectly under a cardigan. Fabric is soft and doesn’t pick up odors after a few wears, so it’s great for travel or busy days. A little thinner than I expected, but still very comfortable.