FLY RACING Trekker Solid Helmet, Gray, Large

Recently purchased on eBay but unfortunately it doesn’t fit. The helmet was purchased as new without tags. It’s a really nice looking helmet and build quality feels solid.
Here’s the specs.
STANDARD.
ECE / DOT approved.
CONSTRUCTION.
Durable and lightweight poly-alloy shell.
Dual density EPS.
Drop down sun shade with anti-fog coating.
Chin bar breath guard.
COMFORT/LINER.
Removable, adjustable, and washable antimicrobial SpaSoft interior allows for easy cleaning and custom fitting.
VENTILATION.
Switchable On/Off integrated ventilation systemin the chin bar, front brow, and rear of the helmet, allows for customized airflow.
ACCESSORIES.
Includes soft fleece helmet bag.