Regatta Professional Mens sizing (chest approx.): XS (36in/92cm), S (38in/97cm), M (40in/102cm), L (42in/107cm), XL (44in/112cm), XXL (47in/119cm), XXXL (50in/127cm), XXXXL (53in/134.5cm).
This product is of good quality and is very comfortable to wear.
