Women's Merino 150 Siren Long Sleeve Sweetheart Top

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

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

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

Women's Merino 150 Siren Long Sleeve Sweetheart Top - View 6

$63.9 ~~$90~~ In stock

A soft and stretchy long sleeve T-shirt for everyday comfort and layering, the Siren Long Sleeve Sweetheart features a slim fit and our corespun merino wool blend fabric.

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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 (4.6 / 5 · 5 reviews)

Lily ★★★★★ Oct 22, 2026

The sweetheart neckline is surprisingly flattering under a blazer without adding bulk, and the corespun merino wool blend feels smooth against my skin all day. I love that it breathes well during a busy work commute but still keeps me warm when the office AC is on full blast. This has quickly become

Sebastian C. ★★★★★ Oct 21, 2026

I've been wearing this for everything from lounging to hiking, and the corespun merino wool blend keeps me warm without overheating. The slim fit is flattering but never feels tight, and the fabric is incredibly soft against my skin.

Mia ★★★★★ Oct 19, 2026

I've been wearing this as a base layer almost daily and the corespun merino blend keeps its shape even after a few washes, no pilling at all. The slim fit is flattering but still lets me move freely, and the sweetheart neckline adds a touch of femininity under my work shirts without feeling fussy.