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 (5.0 / 5 · 5 reviews)

Timothy M. ★★★★★ Oct 22, 2026

The sweetheart neckline stays perfectly in place under a sweater, and the corespun merino is so soft I almost forget I’m wearing a base layer. It’s slim without being tight—just the right fit for everyday layering.

Ruby ★★★★★ Oct 21, 2026

I’ve worn it twice already and the merino blend really does keep its shape without feeling clingy. The sweetheart collar sits just right for layering under a cardigan, and the slim fit makes it flattering without being tight.

Lily A. ★★★★★ Oct 20, 2026

The sweetheart neckline lays flat under all my sweaters without bunching, and the merino keeps me warm without overheating indoors. I wore it hiking last weekend and it didn’t feel clammy at all.