Approximate T-shirt Chest Sizes (armpit to armpit):
XS - Chest 36-38", Length 27"
S - Chest 38-40", Length 28"
M - Chest 40-42", Length 29"
L - Chest 43-45", Length 30"
XL - Chest 46-48", Length 30"
XXL - Chest 48-50", Length 30.5"
3XL - Chest 51-53", Length 31.5"
Bethan is a size 8 and is wearing the Medium for an oversized fit.
These unisex t-shirts have an oversized, relaxed fit, if you are looking for a more fitted style, please select the size down.