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Zpacks Octa Fleece Camp Pants

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$64.97 $99.95 In stock

Engineered for outdoor versatility, the ultralight Octa® Camp Pants are crafted with Octa® fleece that offers durability, breathability, and a superior warmth-to-weight ratio. They are excellent as sleep pants, while also doubling as a base layer under backpacking pants or shorts.

A soft, cozy interior ensures all-day comfort, while the tapered design and gusseted crotch provide a streamlined fit that layers easily under pants or hiking shorts. Deep front pockets keep your essentials close, whether you’re on the trail or lounging at camp.

*The length has been increased and is in effect across all sizes as of November 2025 thanks to feedback.

Check out the rest of our Octa® Fleece Collection here.

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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)

Charlotte U. ★★★★★

I've been wearing these as my only layer under rain pants on chilly mornings and they're shockingly warm for how little they weigh. The Octa fleece breathes so well that I don't overheat on the climb, and they still feel dry when I stop moving.

Eva Q. ★★★★★

Wore these around camp on a 35°F morning and my legs never got cold, yet they didn't overheat once I started moving. The Octa fleece packs down to about the size of a grapefruit, which sold me on bringing them on every trip.

Henry Y. ★★★★★

The warmth-to-weight ratio is genuinely ridiculous—these pack down smaller than my base layer but keep me toasty on frosty mornings. The Octa fleece breathes well enough that I didn’t overheat while grabbing water and stoking the fire, and the durability has held up through two rocky trips so far.