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Men’s Plain Bamboo Trunks 3 Pack – Soft & Breathable | Spairs

(158) Read Reviews
£10.99

Only £3.66 Per Pair!

Man wearing plain white bamboo fitted trunk underwear Man wearing plain navy bamboo fitted trunk underwear Close-up of black bamboo boxers for men Three pack of men's bamboo trunks in black, navy and white colours Three pairs of men's bamboo trunks underwear in white Eco-friendly cardboard shipping box for men's socks and underwear Men's bamboo underwear being delivered through a letterbox in recyclable packaging
Man wearing plain white bamboo fitted trunk underwear Man wearing plain navy bamboo fitted trunk underwear Close-up of black bamboo boxers for men Three pack of men's bamboo trunks in black, navy and white colours Three pairs of men's bamboo trunks underwear in white Eco-friendly cardboard shipping box for men's socks and underwear Men's bamboo underwear being delivered through a letterbox in recyclable packaging

Men’s Plain Bamboo Trunks 3 Pack – Soft & Breathable | Spairs

(158) Read Reviews
£10.99

Only £3.66 Per Pair!

Select Size SIZE GUIDE
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- Currently out of stock

Popular item - sells out fast. Get notified when it's back.

Save 10% when you buy 2 or more packs
  • Free UK Delivery On All Orders.
  • Buy more. Save more
  • 3-pair multipack - stay well-stocked
  • Fitted bamboo trunks with no-fly front
  • 7cm leg inseam for a modern, supportive fit
  • Ultra-soft bamboo - breathable stretch fit
  • No-dig waistband and tag-free comfort
  • Delivered straight through your letterbox* No more waiting in or missed deliveries!

Stay fresh, cool, and comfortable all day with these Men’s Plain Bamboo Fitted Trunks, available in great-value 3-pair packs. Designed with a regular rise and a supportive stretch fit, they’re built for everyday wear and active days alike.

Looking to upgrade your Men's Bamboo Trunks? Made from a soft, smooth bamboo-rich blend, these trunks feature 7cm leg length inseams that allow complete freedom of movement without riding up. Bamboo’s natural breathable, antibacterial, temperature-regulating, and moisture-absorbing properties help keep you feeling cooler, drier, and fresher throughout the day.

Comfort details are dialled in where it matters most. A soft brushed elasticated waistband, tag-free printed care label, and smooth anti-chafe overlocked seams deliver irritation-free wear, whether you’re at the gym or getting through a long day.

Reliable, supportive, and easy to wear, our Men's Underwear is perfect for upgrading your everyday essentials or creating a practical gift set he’ll actually use. Finished with free UK delivery straight through your letterbox - no missed parcels, no waiting around.

Find the perfect underwear fit for you. Explore our Underwear Types Guide.

Top it off with socks so soft, they’ll steal the show. Check out All Men's Socks now.

Machine washable at 40°. No need to tumble dry - they'll dry super fast by themselves. Made in China: 95% Viscose from Bamboo, 5% Elastane.

Spairs offers free 48hr tracked delivery to any UK address as standard, or choose to upgrade to 24hr tracked delivery from just 99p! Royal Mail are our chosen courier and you can expect to receive your order in 2 working days including Saturdays. Find more delivery info here.

*Our individual pack shipping boxes are designed to fit through a standard UK letterbox, meaning quick and easy, hassle free delivery. Find out more here.

We've worked hard to make our recyclable card shipping boxes as eco-friendly as possible. By removing all paper inserts from our innovative product packaging, which also serves as our shipping box; we've reduced postage costs, packing materials and wastage too!

Sorry - we can't take back underwear that has been worn, unpackaged or opened unless the item is faulty.

PLAIN DESIGN ECO-FRIENDLY ULTRA-SOFT BAMBOO FITTED SILHOUETTE SOFT, BRUSHED WAISTBAND TAGLESS CARE LABEL VALUE 3 PACK PLAIN DESIGN ECO-FRIENDLY ULTRA-SOFT BAMBOO FITTED SILHOUETTE SOFT, BRUSHED WAISTBAND TAGLESS CARE LABEL VALUE 3 PACK

Bamboo Comfort, Done Properly

Made from ultra-soft bamboo, these trunks are built for daily wear. Breathable, moisture-wicking fabric helps keep you cool, dry and comfortable from morning through to night — no fuss, just reliable comfort.

Man wearing bright blue coloured bamboo fitted trunk underwear
Close-up of men's bamboo boxer-shorts in black, white and navy

Close, Comfortable Fit

A supportive, stretch fit keeps everything in place without feeling tight, while a soft, brushed waistband sits comfortably without digging in.
Flat, printed care labels mean no itching, no irritation — just a smooth, easy feel all day.

Built for Multibuy

These trunks are everyday essentials — you’ll need more than one pack.

Add 2 or more packs and save 10%.

• Pay less per pair
• Fewer repeat orders
• One delivery — sorted

Do it once. Stock up properly.

What Our Customers Say...
4.8/5
Independent Feedback based on 158 verified reviews.
Stephen Davidson
Monday, 24 June 2024

Great price good quality very comfortable and great fit

Trusted Customer
Sunday, 16 June 2024

Barrie Fairall
Saturday, 15 June 2024

Cool and comfortable. Really impressed by products made from bamboo, which now includes all my bedding. As for the trunks, they will always feature on my shopping list of must haves.

Online Reviewer
Wednesday, 12 June 2024

Fast and just what I wanted

Norman Stuart
Monday, 10 June 2024

Really comfortable and seamless. Most comfortable underwear I’ve ever purchased.

Martyn Hewett
Saturday, 08 June 2024

Trusted Customer
Friday, 07 June 2024

Quality?

Online Reviewer
Thursday, 06 June 2024

Happy

Trusted Customer
Monday, 03 June 2024

Great fit, nice and comfy

Artur
Sunday, 02 June 2024

Great bamboo trunks, breathable, great for summer. Recommend for everyone who loves comfortable underwear. Quick delivery too.

Nicholas Chalkley
Sunday, 02 June 2024

Comfy in all areas!

Trusted Customer
Wednesday, 29 May 2024

Great all round from ordering on website to delivery kept informed all the way, boxers are great, comfortable and wadh really well. Definitely be making another purchase.

Bryan Hancox
Tuesday, 28 May 2024

Excellent buy very good price well-made and great delivery time would buy again 😁😁

Trusted Customer
Monday, 27 May 2024

Great underwear at a great price. Fast efficient delivery. Excellent all round.

Trusted Customer
Sunday, 26 May 2024

Good Quality, Great Price

Paul Langley
Friday, 24 May 2024

Claire Hunsley
Tuesday, 21 May 2024

Liked them so much I had to buy more!

Trusted Customer
Wednesday, 15 May 2024

Fit well and really comfy. Good support for my fellas. Will buy more.

Trusted Customer
Tuesday, 14 May 2024

Very soft and comfortable, will certainly be getting more.

Trusted Customer
Thursday, 09 May 2024

Great!

Men's Bamboo Trunks FAQs

Men’s trunks are a fitted style of underwear with a shorter leg than boxer shorts.

They sit close to the body, offering a clean, modern shape with a balance of support and freedom of movement.

Browse the full Men's Underwear collection to view every style and fit.

Yes — trunks are one of the most reliable everyday options.

They provide:

  • A close, supportive fit
  • No excess fabric
  • A shape that works under all clothing

If you want something that feels secure without being restrictive, trunks are the go-to.

Match with Men's Bamboo Socks and Men's Bamboo T-shirts for more soft, breathable comfort.

Yes — bamboo fabric is naturally breathable and moisture-wicking.

It helps regulate temperature and keeps you cool, dry and comfortable throughout the day, even during long wear.

Compare with Men's Bamboo Boxer Shorts and Men's Cotton Trunks to find your ideal fit.

 

A well-fitted trunk should stay in place.

The shorter leg and close fit help reduce movement, meaning less bunching and fewer adjustments throughout the day.

Bamboo is often preferred for comfort and performance. It’s:

  • Softer and smoother
  • More breathable
  • Better at moisture-wicking
  • Naturally antibacterial

Cotton is durable and familiar, but bamboo offers a more comfortable all-day feel.

 

We recommend choosing your usual size.

Our bamboo trunks are designed with stretch to provide a supportive fit that moves with your body without feeling tight or restrictive.

Detailed size and fit info is available on our Size Guide page.

Bamboo is used across a range of everyday essentials.

At Spairs, you’ll find:

All designed for comfort, breathability and easy everyday rotation.