Women's 300 MerinoFine™ Polar Long Sleeve Half Zip Thermal Top

Women's 300 MerinoFine™ Polar Long Sleeve Half Zip Thermal Top - View 3

Women's 300 MerinoFine™ Polar Long Sleeve Half Zip Thermal Top - View 4

Women's 300 MerinoFine™ Polar Long Sleeve Half Zip Thermal Top - View 5

Women's 300 MerinoFine™ Polar Long Sleeve Half Zip Thermal Top - View 6

$166.4 ~~$260~~ In stock

A heavyweight merino wool base layer top designed to keep you warm and comfortable on the coldest of days, the 300 MerinoFine™ Polar Long Sleeve Half Zip features our premium, luxuriously soft ultra-fine merino fibres that are incredibly soft next to 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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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)

Victoria N. ★★★★★ Oct 22, 2026

The heavyweight wool knit is a total game-changer for below-freezing dog walks—you can feel the warmth the second it's on. The half zip lets me vent a little when I start moving, and the fabric against my skin never itches once.

Hazel R. ★★★★★ Oct 21, 2026

This half zip is surprisingly lightweight for how warm it keeps me during freezing dog walks. The wool is smooth and comfortable against my skin with zero itchiness.

Edward ★★★★★ Oct 20, 2026

I was a bit skeptical about how soft a heavy wool base layer could be, but the ultra-fine merino is genuinely comfortable against my skin. Wore it on a freezing hike and the half zip made it easy to vent a little heat when I started moving faster. It's become my go-to for staying warm without that i