Skip to content

We will be closed Dec. 25–Jan. 1, returning on Jan. 2, 2025.

Maintenance Alert: We're fine-tuning our website. Thank you for your understanding!

PRODUCTS
- All Products
- Witly Picks
  
  Top 10 Tees
  Top 10 Caps
  Top 10 Pullover Hoodies
  Top 10 Crewnecks
  Top 10 Totes
  Top 10 Longsleeves
  Top 10 Toques
  Top 4 Button-Ups
  Top 6 Mugs
  Top 5 Tanks
  Top Kids Picks
- Categories
  
  Accessories
  Bottoms
  Caps
  Crewneck Sweaters
  Drinkware
  Jackets
  Long Sleeves
  Pullover Sweaters
  Raglans
  Shirts
  Tank Tops
  Toques
  Tote Bags
  T-Shirts
  Zip-Up Sweaters
- Collections
  
  Children
  Made in Canada 🇨🇦
  Tie-Dye
- New Arrivals
- Design Services
- Marketing Services
OUR WORK
LET'S CHAT

Facebook
Instagram

PRODUCTS
- All Products
- Witly Picks
  
  Top 10 Tees
  Top 10 Caps
  Top 10 Pullover Hoodies
  Top 10 Crewnecks
  Top 10 Totes
  Top 10 Longsleeves
  Top 10 Toques
  Top 4 Button-Ups
  Top 6 Mugs
  Top 5 Tanks
  Top Kids Picks
- Categories
  
  Accessories
  Bottoms
  Caps
  Crewneck Sweaters
  Drinkware
  Jackets
  Long Sleeves
  Pullover Sweaters
  Raglans
  Shirts
  Tank Tops
  Toques
  Tote Bags
  T-Shirts
  Zip-Up Sweaters
- Collections
  
  Children
  Made in Canada 🇨🇦
  Tie-Dye
- New Arrivals
- Design Services
- Marketing Services
OUR WORK
LET'S CHAT

Search

Item added to your cart

View cart

Black WITLY t-shirt, underbase vs. no underbase, WITLY printhouse in yellow writing

What is an underbase?

November 13, 2020

Share

Link

LET'S MAKE IT MATTER!

Subscribe to our newsletter for updates on the latest arrivals, promotions, and more.

Email

COMPANY

OUR WORK
BLOG
WORK AT WITLY
SEARCH

CONTACT

house@bywitly.com
(647) 933-9487

MAKE IT MATTER.

Witly is a marketing agency for makers. We make physical products and digital marketing tools that matter.

Facebook
Instagram

© 2024, Witly Powered by Shopify

Choosing a selection results in a full page refresh.
Opens in a new window.