Buy Underwear for Men | Slow Fashion by TWOTHIRDS

Skip to content

Announcement Text 1

Announcement Text 1

Women
Men
Accessories
Lookbooks
Collabs
Sustainability
Journal

New In
Recover™
Made to Match
Bestsellers

Clothing

All
Tops
Shirts
Pants
Shorts
Sweatshirts
Knits
Jackets
Dresses
Jumpsuits
Skirts
Swimwear
Loungewear
Underwear

Last Units
Gift Card

New In
Bestsellers

Clothing

All
T-Shirts
Shirts
Pants
Sweatshirts
Knits
Jackets
Swimwear
Underwear

Last Units
Gift Card

All
Headwear
Neckwear
Socks
Bottles
Bags
Towels
Gift Card

Lookbooks
Collabs
Sustainability
Journal

Join the 325k Blue Community now!
Subscribe to the newsletter

New In
Bestsellers
Last Units
Gift Card

Recover™
Made to Match

All
Tops
Shirts
Pants
Shorts
Sweatshirts
Knits
Jackets
Dresses
Jumpsuits
Skirts
Loungewear
Swimwear
Underwear

New In

New In
Bestsellers
Last Units
Gift Card

All
T-Shirts
Shirts
Pants
Shorts
Sweatshirts
Knits
Jackets
Swimwear
Underwear

New In

All
Gift Card

Headwear
Neckwear
Socks
Bags
Bottles
Towels

Accessories

Fall Collection

Fall Collection

Chiringuito

Chiringuito

Discover more

Home
Men
Underwear for Men

Natural. Classic. Premium quality. The comfiest men's underwear, made from certified organic cotton.

Underwear for Men

Sort by

Our Picks
Most relevant
Best selling
Lowest price
Highest price
New in

Filters

Showing 3 results

Robbins - Off White

Robbins - Off White

Robbins - Off White

Robbins - Off White

Robbins - Black

Robbins - Navy

Robbins

Robbins - Off White

$69

Robbins - Black

Robbins - Black

Robbins - Black

Robbins - Black

Robbins - Navy

Robbins - Off White

Robbins

Robbins - Black

$69

Robbins - Navy

Robbins - Navy

Robbins - Navy

Robbins - Navy

Robbins - Black

Robbins - Off White

Robbins

Robbins - Navy

$69

Men

New In
Bestsellers
Last Units
Gift Card

All
T-Shirts
Shirts
Pants
Shorts
Sweatshirts
Knits
Jackets
Swimwear
Underwear

Join our Blue Community of 500k+ ocean lovers and get 10% OFF your first order.

About us
Store Locator
B2B
Careers

Order Tracking
FAQs
Exchanges & Returns
Help
Gift Card
Refer a friend

Sustainability
New In Women
New In Men

Instagram
Facebook
YouTube
Pinterest
TikTok
TikTok

© 2026 TWOTHIRDS SLU Morales 21-27, K. 08029 Barcelona - Spain

Governance
Terms and conditions
Privacy
Cookies Policy

4.6 out of 5 based on 15k+ reviews

With the support of:

Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device

Filters

Translation missing: en.collections.sorting.sort_by

Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.