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Your reduction in environmental impact


Impact on global warming


Impact on fossil fuels


Impact on water scarcity

Un caleçon

Un caleçon

Shipping is FREE on all UK mainland orders!

Shipping is FREE on all European orders and there are NO DUTIES payable on EU deliveries!

Taxes incluses.


Un caleçon

Free Shipping

For all UK mainland orders!

Free Exchange

First pair within 30 days.


  • Conçu de manière ergonomique pour traiter ces joyaux de la couronne comme des rois
  • 5 fois plus doux et 50 % plus absorbant et respirant que le coton
  • Fabriqué à partir de nos fibres MicroModal Air exclusives et super douces
  • Dérivé de sources de bois européennes cultivées de manière durable
  • Séchage rapide, pour garder les choses agréablement fraîches toute la journée
  • Antibactérien, aidant à prévenir les odeurs corporelles
  • La technique de couture et la ceinture sans étiquette réduisent les irritations cutanées
  • Ceinture anti-frottement, anti-remontée et anti-roulis
  • Entrejambe plus long pour un ajustement parfaitement ajusté
  • Neutre en CO2 et biodégradable

Fabric & Care

Nous recommandons un lavage en machine à 30 degrés. Pas besoin de passer au sèche-linge ; ils sècheront très vite tout seuls !

Delivery & Returns

Delivery: Free delivery available to all UK, EU & USA customers. Next day delivery also available in some areas for orders placed pre-2pm. 

Returns & Exchanges: We're so confident you'll love your JustWears, we'll give you a full refund on your first pair if you don't like them for whatever reason. How awesome is that! 


JustWears products are certified by ClimatePartner to be carbon neutral through compensating emissions via carbon offset projects.

JustWears products are also certified on the Higg Materials Index as showing at least a 25% reduction in environmental impact when compared to conventional materials.

For further details, please visit our Sustainability pages.

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Which style is right for you

  • Active

  • Pro

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Featured Benefits:

  • Signature pouch keeps your bits in place even when exercising
  • Ventilated under-carriage increases airflow to your balls
  • Sustainable, anti-odour and sweat busting
  • Tagless design keeps you itch free
  • Easy-access fly
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Featured Benefits:

  • Super soft, comfortable and breathable
  • Spacious front design
  • Sustainable, anti-odour and sweat busting
  • Tagless design keeps you itch free
  • No fly

Size Guide

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Fits like a second skin

Say bye to chafing

We made the inseam slightly longer to guarantee you a perfectly snug fit and no more riding up. Our stitching technique reduces skin irritation and we removed the commercial tag on the waistband as well. Bye annoying itching!

5x softer than cotton

Unbelievably soft

Can you imagine what something softer than silk feels like? Here’s what our customer Paul said: “The material is so soft you basically don’t know they are there.” We could not have said it better, Paul!

Every “Package” Deserves the Best!

Our trunks treat your crown jewels like royalty. We offer two designs to give you ultimate comfort and to eliminate sweat down under.

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Did we mention that these natural super fibres are anti-bacterial, helping to prevent body odour?

Recycled materials

A seamless design means no discomfort or area of weakness in the fabric.


MicroModal Air is 50% more absorbent and breathable than cotton, drying quicker and keeping you pleasantly cool all day long.

5x softer than cotton

Can you imagine what something softer than silk feels like?

Helps your sperm count

By reducing the overall temperature of your bits, this design supports sperm count.

*The above information is published in good faith and for general information purposes only. No warranties are made about the completeness, reliability and/or accuracy of this information.