Bamboo Rib 9" Boxer Briefs

$25.2 ~~$36~~ In stock

Meet the longest member of the Bamboo Rib crew. With 9 inches of smooth, stretchy, and supportive coverage, these boxer briefs are perfect for layering or lounging. The ribbed fabric offers a sleek feel and a bit more structure than our previous cotton rib—so they hold up beautifully over time while staying incredibly soft.

9" inseam
OEKO-TEX®-certified
45% Recycled Polyester, 42% Bamboo, 13% Elastane
Lining: 93% Bamboo Viscose, 7% Spandex
Breathable, moisture-wicking, and odor-resistant
Supportive rib construction with 4-way stretch
Inclusive sizing from XS–6X
Machine wash cold, tumble dry low

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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)

Owen ★★★★★ Sep 10, 2026

The 9-inch inseam is the sweet spot under dress pants — no riding up, no bunching at the thigh. I've worn them through a few washes already and the bamboo rib still holds its shape instead of going saggy like my old cotton pairs.

Daniel Z. ★★★★★ Sep 8, 2026

The 9-inch inseam finally gives me the coverage I need for long days at the office without any riding up. Ribbed fabric feels substantial yet breathable, and the stretch holds its shape even after a full wash cycle.

Ruby ★★★★★ Sep 7, 2026

These have become my go-to for lazy weekends at home. The ribbed fabric is smooth against my skin and the extra leg length means they don't ride up at all when I'm sprawled on the couch.