100% Cotton
 
Sizing guide:
 
XS – 35-36 INCH CHEST
SMALL - 36-38 INCH CHEST
MEDIUM - 38-40 INCH CHEST
M+ - 41-42 INCH CHEST
LARGE - 43-44INCH CHEST
XLARGE – 45-47 INCH CHEST
XLARGE+ - 47-49 INCH CHEST 
2XLARGE – 50-52 INCH CHEST
3XLARGE – 53-55 INCH CHEST
4XLARGE – 58-60 INCH CHEST