Active Boxer Brief Men's

$26.4 ~~$40~~ In stock

A lightweight boxer brief from Smartwool made with a Merino/Polyester Blend Fabric that combines the temperature regulation and odor resistance of Merino with the durability and quicker drying time of Polyester. Loose those old white cotton briefs and grab a pair of two of these.

Details

56% Merino Wool, 44% Recycled Polyester Fabric for the perfect balance of comfort and durability in a lightweight wool baselayer
Double front panel for extra support
Wide elastic waistband
6" inseam (size medium)
Slim fit
Flatlock seam construction for comfort
Odor resistance
Machine washable and dryable

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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 (4.6 / 5 · 5 reviews)

Nicholas M. ★★★★★ Oct 21, 2026

The blend is noticeably lighter than my old cotton pairs, and the merino does its job—three days of wear and no lingering smell at all. Drying time was quick after a wash, which is exactly what I needed for a trip.

Lily C. ★★★★★ Oct 20, 2026

I’ve worn these on back-to-back hikes in humid weather, and the merino blend genuinely keeps odor away even after a full day. The fabric dries impressively fast after a rinse, so they’re ready to go again by morning. Only wish the waistband had a bit more give, but the fit is solid otherwise.

Richard Z. ★★★★★ Oct 19, 2026

The merino blend keeps me cool on my morning runs and they’re dry again by the time I’m back home. Odor resistance is the real deal, too—three wears in a row and no complaints.