How do I choose the perfect size?

Most of the T-shirts offered on Redbubble use flat lay measurements for sizing. *For Fitted & Relaxed collections, please refer to their individual size information. Here's how.

How to find your flat lay size:

  1. Take your favorite t-shirt and lay it flat.
  2. Measure the distance from under the armpit on one side to under the armpit on the other side and Multiply it by 2. This is the chest measurement.
  3. Measure the length from the top of the shoulder next to the collar straight down to the bottom of the garment.
  4. Match this information to the size guide available on each product page.
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CM Inch
Redbubble Size S M L XL 2XL 3XL
Length 71 74 76 79 81 84
Chest 90 100 110 120 130 140



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