Size Guide
Every Ethan Williams shirt is a comfort fit — easy through the chest and body, true to size. Most people take the size they always take. If you are between sizes, or you like a shirt closer or roomier than standard, the measurements below will settle it.
Find your size
Measure your chest under the arms, around the fullest part, with the tape level.
| Your chest | Your chest (cm) | Size |
|---|---|---|
| 34–37" | 86–94 | Small |
| 38–40" | 97–102 | Medium |
| 41–44" | 104–112 | Large |
| 45–48" | 114–122 | XL |
| 49–52" | 124–132 | XXL |
On the line between two sizes? Take the smaller one for a closer fit, the larger one for room to move.
Cotton t-shirts, v-necks and long sleeves
Garment measurements, taken flat. Chest is measured one inch below the armhole, across the shirt. Body length runs from the highest point of the shoulder straight down to the hem. The inches/centimetres switch applies to every table on this page.
| Size | Chest, flat | Chest, around | Body length | Sleeve (long sleeve) |
|---|---|---|---|---|
| S | 19" | 38" | 28" | 25 ¾" |
| M | 20 ½" | 41" | 29" | 26 ¼" |
| L | 22" | 44" | 30" | 26 ¾" |
| XL | 24" | 48" | 31" | 27 ¼" |
| XXL | 26" | 52" | 32" | 27 ½" |
Allow half an inch either way — these are knitted garments, not cabinetry. The sleeve column applies to long sleeves only; it is measured from the shoulder seam to the cuff.
Heathered triblend t-shirts
The triblend is cut a little trimmer and a little shorter than our cotton tees. If you are between sizes, or you want the same ease you get from the cotton, take the next size up.
| Size | Chest, flat | Chest, around | Body length |
|---|---|---|---|
| S | 18 ¼" | 36 ½" | 27 ½" |
| M | 19 ¾" | 39 ½" | 28 ½" |
| L | 21 ¼" | 42 ½" | 29 ½" |
| XL | 22 ¾" | 45 ½" | 30 ½" |
| XXL | 24 ¾" | 49 ½" | 31 ½" |
Compared with the cotton tee in the same size, the triblend runs roughly three quarters of an inch narrower across the chest and half an inch shorter in the body.
How to measure
Tape around the fullest part of your chest, under the arms, level all the way round. Keep it snug, not tight. Breathe normally.
From the highest point of the shoulder, straight down the front to where you want the shirt to end.
From the seam where the sleeve meets the shoulder, down the outside of the arm to the wrist bone.
Lay a shirt you already love flat, smooth out the wrinkles, and measure it the same way. Match those numbers to the table.
Still not sure? Email us the chest measurement of a shirt that fits you well and we will tell you which size to order. If it arrives and the fit is not right, send it back and we will swap it.
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