Spun Bamboo men's bamboo boxer briefs with horizontal fly - front view
Men wearing Spun Bamboo men's bamboo boxer briefs - lifestyle view
Spun Bamboo men's bamboo boxer briefs - breathable everyday underwear
Men's bamboo viscose boxer briefs with supportive pouch by Spun Bamboo
Spun Bamboo men's boxer briefs - bamboo viscose and organic cotton fabric
Men's Bamboo Viscose Boxer Briefs Underwear - Spun Bamboo
Men's Bamboo Viscose Boxer Briefs Underwear - Spun Bamboo
Men's Bamboo Viscose Boxer Briefs Underwear - Spun Bamboo
Men's Bamboo Viscose Boxer Briefs Underwear - Spun Bamboo
Men's Bamboo Viscose Boxer Briefs Underwear - Spun Bamboo
Men's Bamboo Viscose Boxer Briefs Underwear - Spun Bamboo
Men's bamboo boxer briefs features - horizontal fly and supportive pouch
Spun Bamboo men's bamboo boxer briefs fit and comfort details

Men's Bamboo Boxer Briefs – Bamboo Viscose, Organic Cotton, Horizontal Fly

Sale price$21.99
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Shipping calculated at checkout.

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PLEASE CHOOSE A COLOR:
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  • Worldwide shipping

Ultra-soft men’s bamboo boxer briefs made with 68% viscose from bamboo, 27% organic cotton, and 5% spandex. Designed for breathable everyday comfort, these boxer briefs combine a gently supportive fit with a smooth double-layer pouch, easy-access horizontal fly, and legs designed to stay in place.

PREORDER + AVAILABILITY
Some colors, sizes, and pack options may be available for preorder. Select your size, color, and pack to see current availability before adding to cart.

Why You’ll Love Them

  • Soft + breathable: Bamboo-rich jersey has a smooth, soft feel for comfortable everyday wear.
  • Supportive without heavy compression: A contoured double-layer pouch gently adjusts for support and comfort.
  • Horizontal fly: Functional easy-access fly designed for convenient access and secure coverage.
  • Stay-put comfort: Gently snug legs are designed to help reduce riding up and constant adjustments.
  • Comfortable waistband: Soft logo waistband with flat-lock stitching provides stretch while helping the waistband stay in place.

Fabric + Construction

Fabric: 68% viscose from bamboo / 27% organic cotton / 5% spandex
Pouch: Smooth, contoured double-layer pouch
Fly: Functional horizontal fly
Waistband: Soft logo waistband with flat-lock stitching
Leg length: Boxer brief style extending to the top of the thigh

Fit + Sizing

Classic American sizing with a gently snug, supportive fit and comfortable stretch.

Size guide:
Medium: 30–34 in
Large: 34–38 in
X-Large: 40–42 in

Additional sizes are available in select colors and pack options. Please use the size and color selectors to see current availability.

Colors + Packs

Available in Black, Steel Blue, Dark Grey, and Cream in select sizes. Choose from Single, 3-Pack, and 5-Pack options where available.

Best For

Everyday wear, work, travel, lounging, sleep, and active days when you want soft, breathable underwear with comfortable support and an easy-access horizontal fly.

Underwear Return Policy

Please note: Due to the intimate nature of this garment, underwear is not returnable. Please review sizing carefully before ordering.

Designed in California

Thoughtfully designed in California and made in China, where bamboo grows.


FREE USA SHIPPING ABOVE $80!

Most orders are shipped within 48 hours of order receipt. Free Shipping uses USPS First Class or Priority Mail service and will take 1-5 days depending on distance from Southern California. Expedited shipping uses USPS Priority Mail and ships within 24 hours except for Weekends and Holidays.

We do ship internationally. The customer is responsible for any taxes and duties. We cannot insure against lost or stolen shipments. Buyer assumes all risk for international shipments. In the very rare circumstance of a lost shipment, we will place a trace on the package and make a claim for it if necessary on your behalf. However, the outcome of that claim is not guaranteed. 

  • Machine wash in cold temp water with like colors, gentle cycle.
  • Turn the garment inside out to wash and dry for extra care.
  • Use mild laundry soap 
  • Do not use any type of bleach.
  • Normal tumble dry at the low-heat delicate settings.
  • Iron at low-heat setting (150°C/300°F) if desired.
  • Hand wash and line dry are alternatives recommended for bamboo products.

** Due that Bamboo Viscose is a denser fabric it may take slightly more time to dry off completely. **

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WHY BAMBOO?

HYPOALLERGENIC

Bamboo fibers are naturally smoother and rounder with no sharp spurs to irritate skin. It also requires way less dye compared to conventional types of fabric. Making it ideal for those who experience allergic reactions or with skin sensitivities. 

MOISTURE WICKING

Bamboo fabric is extremely breathable. A cross-section of its fibers reveals various micro-holes allowing bamboo cloth to have a superior absorption. Its fibers absorb 40% more than any other type of fiber. Absorbs and evaporates moisture faster pulling it and driving it away from your skin.

SUPER SILKY SOFT

Bamboo fabric is extremely durable yet still has a natural soft and silky feel to the touch that you can easily compare with cashmere and silk. Bamboo fibers are smooth and round and contain a natural ingredient called pectin that helps enhance its soft texture. The fabric drapes elegantly without wrinkling.

UV PROTECTION

Scientifically proven to possess sun blocking characteristics. Shield your skin from the harmful UV rays in comfort. Considered a UV protective as it cuts 98% of harmful UV rays. An Australian study found that bamboo shields the wearer from sun up to 60% more effectively than cotton.

POWERFULLY INSULATING

Comfort in any season. Natural fiber insulation naturally regulates your body’s temperature. A recent study by theInternational Journal of Thermal Sciencerevealed that fabrics containing a higher percentage of bamboo fibers provided an increased level of thermal regulation. Cool in summer and warm in winter. How great is that?!

OUR COMMITMENT

About your brand

Here at Spun Bamboo – we are optimistic about the promising idea of clean fashion, and we take great pride in delivering to you a natural and healthier alternative to the toxic textiles, providing apparel that is made only with the highest quality and natural raw-organic bamboo. A premium collection design, we call it Conscious Collection. Our clothing made from bamboo effortlessly combines comfort and performance, while we ensure we meet the excellence of the perfect fit and style for your everyday life.


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