Exemple:
He has a hockey jersey that was signed by his favourite player. 
http://www.flickr.com/photos/chuckypurdue/
Licence photo:
CC: Attribution, Commercial Use
Regionalism:
Neutral
Regional variant:
Neutral
Full Expression:
: Jersey
A hockey uniform sweater made of tough synthetic materials like polyester, to help lake away moisture and keep the player dry. They usually have the team's logo on the front and the player's last name on the back.