Men's Merino 200 Oasis Thermal Leggings wFly

Men's Merino 200 Oasis Thermal Leggings wFly - View 3

Men's Merino 200 Oasis Thermal Leggings wFly - View 4

Men's Merino 200 Oasis Thermal Leggings wFly - View 5

Men's Merino 200 Oasis Thermal Leggings wFly - View 6

$82.8 ~~$120~~ In stock

Our best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings With Fly are the perfect foundation for your cold-weather layering.

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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 (4.8 / 5 · 5 reviews)

Richard X. ★★★★★ Oct 22, 2026

The fly opening is a game-changer for quick pit stops on the trail, and the merino wool doesn’t itch against my skin like I feared it would. I wore these under my hiking pants in freezing wind and stayed comfortable the whole day without overheating once we started moving.

Lucy ★★★★★ Oct 21, 2026

The 200 weight is just right for chilly morning runs—warm without overheating. The fly actually works well and the merino wool doesn’t itch at all against my skin.

Owen ★★★★★ Oct 20, 2026

Finally found leggings with a fly that actually works without bunching up against my other layers. The merino wool is surprisingly breathable even during a brisk hike up the hill.