GOLD COLLECTION SERIES, the Rawlings Sideline Polo is a part of the Rawlings 2021 Official Spring Apparel Launch IDEAL FOR ANY BASEBALL PLAYERS OR FANS, this polo is true to size ATHLETIC FIT WITH VENTED HEM, the Rawlings Sideline Polo is designed to be worn both tucked or untucked MACHINE WASHABLE SIZING BASED ON CHEST SIZE: Small (32-34"), Medium (36-38"), Large (40-42"), X-Large (44-46"), XX-Large (48-50"), XXX-Large (52-54")