Sizing tends to run BIG Mens Sizing 550 CCM Series Throwback Vancouver Canucks jersey is by CCM. This Classic Canucks jersey is part of the 550 semi pro CCM series •100% Air-Knit ® polyester •Canucks crest patch heat pressed on front •Officially licensed NHL Product Made in Canada Sizing tends to run bigger MENS Medium Measurements from pit to pit  24 inches and top to bottom 31 inches Officially licensed NHL Product Sizing tends to run BIG