Buy based 12 Underwear online | Spreadshirt

Subscribe to the newsletter and get a £5 voucher

Create
Create Now
- Print your productUpload or discover designs
- Embroider your productDiscover embroidery designs
Shop
- Bestsellers
  Funny T-Shirts Retro T-Shirts Dog T-Shirts
- Men
  All Men's Products Embroidered Products T-shirts & Tops Hoodies & Sweatshirts Jackets & Vests Trousers & Shorts Sportswear Organic Products
- Women
  All Women's Products Embroidered Products T-shirts & Tops Hoodies & Sweatshirts Jackets & Vests Trousers & Shorts Sportswear Organic Products
- Kids & Babies
  All Products Embroidered Products T-shirts & Tops Hoodies & Sweatshirts Trousers & Shorts Sportswear Organic Products
- Accessories
  All Accessories Embroidered Accessories Headwear Bags & Backpacks Socks & Shoes Scarves & Neck Warmers Buttons Umbrellas
- Home & Living
  All Products Pet Accessories Embroidered Products Kitchen Deco & Living Textiles
- Stickers
- Gifts
  Gifts For Men Gifts For Women Gifts For Couples Gifts for mum Gifts for dad Gift for kids Gifts for friends Gifts for gamers Wedding gift ideas
  50th wedding anniversary gift 25th wedding anniversary gift Birthday gift ideas Baby shower gifts New baby gifts New home gift Graduation gift Retirement gifts Gift cards
- Fan Merch
  Films & Series Comics & Superheroes Classics & Kids Music & Bands Videogames & E-sports All Licenses
- T-shirt of the Week
- Custom workwear
- Personal service

...
Home
Shop
Clothing
Trousers & Shorts
Underwear
"based 12"

based 12

Underwear

Underwear

Select a sort optionPopular productsNew

Select a sizeSMLXLXXL3XL

Select a colour

grey

black

Show all designs

Clothing
- T-Shirts & Tops
- Hoodies & Sweatshirts
- Jackets & Vests
- Sportswear
Accessories
Home & Living
Pet Accessories
Stickers
New Products
Sale

£19.99
Men's Boxer Shortshot coffee - IUPAC Nerd Humor - Chemistry - white
By marcelwirth.de
£19.99
Men's Boxer Shortshot coffee - IUPAC Nomeclature - Nerd humor
By marcelwirth.de
£19.99
Men's Boxer ShortsChico 11: Valentine's Day 2026
By T.P.
£19.99
Men's Boxer ShortsChico 11: Easter 2026
By T.P.
£19.99
Men's Boxer ShortsBasketball Molecule - IUPAC Nomenclature - Nerd Humor
By marcelwirth.de
£19.99
Men's Boxer ShortsBasketball Molecule - IUPAC Nomenclature - Nerd Humor
By marcelwirth.de
£19.99
Men's Boxer ShortsSpider - IUPAC Nomenclature - Chemistry Nerd - white
By marcelwirth.de

All secure payment methods
Secure payment by credit card or PayPal.
Read more
Satisfaction guaranteed
Easy returns within 30 days, no questions asked!
Read more
Worldwide delivery
We offer standard, premium and express delivery.
Read more

Subscribe now & secure a €5 voucher!

DEALS, DROPS & TRENDS

Regular updates in your inbox

Spreadshirt uses your email address to let you know about product offers, discount campaigns and competitions. You can cancel your newsletter subscription at any time. More information can be found in our Privacy Policy.

Contact us

+44 808 502 0646 Mo - Fr 8am - 5pm
Contact

Service

Your orders
Help
Delivery Times and Costs
Exchanges and Returns

The Company

About us
Sustainability
Jobs
Accessibility

For partners

Sell with Spreadshop
Sell with Spreadconnect
Forum

Spreadshirt prints a huge variety of custom clothing like T-shirts, hoodies and more. We handle every order with ❤️ in Europe and ship it worldwide!

Privacy
Terms & Conditions
Legal information

Search

Search

Search

Customers also looked for

Funny
Student
Chemist
Chemistry
Science
Morning
University
Humour
Cute
Chemical