Choose your fit & size
Tap a size to add it to your bag.
Seven colours. One fit.
The Essentials Boxer Trunks. Pick your colour, then your size.
Choose your fit & size
Tap a size to add it to your bag.
Choose your fit & size
Tap a size to add it to your bag.
Choose your fit & size
Tap a size to add it to your bag.
Choose your fit & size
Tap a size to add it to your bag.
Choose your fit & size
Tap a size to add it to your bag.
Choose your fit & size
Tap a size to add it to your bag.
Built in four layers
Four layers. One boxer.
Every layer has one job. Scroll to take it apart.
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01 Waistband
Wide and soft
A wide, soft waistband with the BIOFIT name on it.
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02 Pouch
Shaped at the front
Solid fabric at the front, with no mesh.
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03 Panels
Perforated sides
Rows of small holes down each side let air move through.
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04 Boxer
Viscose from bamboo
Soft against your skin, with a natural give that settles as you wear it.
3-packBamboo socksMade for every step.Shop socks→From £22
ModalThe T-shirtWear it alone. Layer it under anything.Shop T-shirts→From £29
Worn by men who show up
The BIOFIT community
Showing our 5-star reviews.
whitela6, 12 Oct 2026
I’ve had these boxers for over 6 months…
I’ve had these boxers for over 6 months and can honestly say they are the most comfortable boxers ive ever owned.
Read on TrustpilotGordon Halliday, 7 Sep 2026
Very good feel to the Fabric
Material very soft to touch.You don't know you are wearing them.
Read on TrustpilotChristine Broad, 19 Oct 2026
Great company, great customer services & great pants!
This is my second order with BIOFIT. Their boxer shorts are excellent & my fiance loves how they fit & feel…
Read on TrustpilotKevin Wiggs, 10 Sep 2026
I'm really impressed with BIOFIT
…The quality is excellent, and they're extremely comfortable to wear throughout the day.
Read on Trustpilotgraham, 15 Oct 2026
Great product.
Purchased 2 lots of the BIOFIT shorts and found them very comfy no matter what the weather they dont ride up and…
Read on TrustpilotPaul McToal, 14 Oct 2026
Exemplary customer service
I have ordered from BIOFIT on a few occasions and find their product to be comfortable and easy to wear…
Read on TrustpilotIsobel Davidson, 4 Oct 2026
Very nice boxers
Were bought as a present. He is very pleased with them. Good fit, very nice material. Great price.
Read on TrustpilotHoward Mason, 1 Oct 2026
I really like the product and the…
I really like the product and the company delivered exactly what they promised.
Read on TrustpilotPaul Adams, 8 Sep 2026
My error was immediately corrected
…The product and the ordering/customer care were utterly faultless. Superb underwear!!!
Read on TrustpilotMichael Wilson, 10 Oct 2026
Fantastic customer service
Fantastic customer service, excellent high quality great value product. On time delivery and informative customer…
Read on TrustpilotLiam robson, 15 Sep 2026
After sales service is fantastic
After sales service is fantastic. Boxers are good quality.
Read on TrustpilotAhsan Laghari, 5 Oct 2026
Very nice n soft briefs
Very nice n soft briefs. Customer service amazing!! Thanks
Read on Trustpilot