Sizes are Men's UK - Please see images for actual measurements or ask 

Size recommendations are:

XS -  34/36"
Small -  36/38" 
Medium -  38/40"
Large - 41/43"
XL - 43/45" 
2XL - 46/47"
3XL - 48/50"

T-shirt details:

Preshrunk jersey knit
Fabric 32/1
High stitch density for smoother printing surface
Tubular construction
Shoulder-to-shoulder tape and seamed collar
Twin-needle sleeve and bottom hems
TearAway label

Oeko-Tex® Standard 100 Certified