First ever Twonks t-shirts! These things are PREMIUM guys. The design is printed on Stanley Stella t-shirts, with 180gsm 100% organic cotton compact yarn fabric. Not sure what that means but bottom line is: they're super high quality. These are unisex cut so to help you out, here's the sizing info:
Chest (to fit)
Small - 36/38"
Medium - 38/40"
Large - 41/43"
XL - 43/45"
2XL - 46/47"