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Don't worry though, we have a lot more Men's Button-Down Long-Sleeve Shirts in stock than that.
Shop Similar ProductsBoiled Wool Overshirt blends warmth and structure for crisp mountain mornings
What Our Gearhead® Experts Are Saying:
"I reach for the Boiled Wool Overshirt when I need that in-between layer—warm enough for early hikes or firepit hangs, but structured enough to wear into town. The wool’s dense texture holds its shape, doesn’t wrinkle, and adds real warmth without the bulk."
Cool air, quiet trails, and a warm layer that pulls it all together—the Boiled Wool Overshirt keeps us grounded when seasons shift and temperatures dip. Built by Backcountry with 100% boiled wool, this piece finds that rare sweet spot between shirt and jacket. The natural insulative power of wool traps heat even when damp, and its structured feel adds a timeless touch that looks just as good over a flannel as it does under a parka.
We wear it from trailhead breakfasts to late-night firewood runs, appreciating how the dense wool resists wind and layers easily. Two chest pockets lend a classic overshirt look, while the tailored cut gives it everyday appeal. It’s built for movement, warmth, and reliability—like our favorite trailside spots that never let us down.
Details
- Midweight overshirt ideal for cool-weather layering and shoulder-season wear
- Boiled wool fabric offers warmth, structure, and wrinkle resistance
- Dual chest pockets provide utility and classic styling
- Button closure keeps the look clean and the layering easy
- Naturally insulates even when damp, ideal for mountain climates
- Tailored fit layers easily over flannels or under jackets
- Durable construction designed for everyday wear and outdoor versatility
- Item #MLY011T
- Material
- 100% boiled wool
- Fit
- relaxed
- Style
- button-up long-sleeve
- Pockets
- 2 chest
- Activity
- casual

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Marine Layer creates absurdly soft clothes while reducing the environmental impact of textile production. Designed in San Francisco and enjoyed by all.