I am selling this item because I no longer use it. Flat measurements: Length: Approximately 68cm (from the base of the neck/shoulder to the hem) Width: Approximately 50cm (from armpit to armpit) Nike Aeroswift Singlet Men's Running Wear AEROSWIFT AERO SWIFT Aeroswift Aero Swift Swift Shirt Swift Shirt Running Shirt Marathon Running Tank Top Division Asics