Fit head circumference: 22.83-24.4 inch (58-62CM)

BATFOX Cycling Helmet Features:

Safety Comes First: CPSC and CE Certified, In-mold construction makes for a lightweight helmet that is perfect for daily exploration, Optimized-density EPS liner offers ideal impact force absorption.

Rechargeable Safety Light: Come with USB rechargeable rear light for night or early morning safety riding, 3 flashing modes. 

Goggles And Sun Visor: Removable magnetic goggles eye shield and reflective sun visor protect you from dust, sun, and other elements. Every helmet comes with a portable bag.

Adjustable Size And Product Guarantee: This helmet fits head size 22.4 to 24.1 inches (57-61cm) for most adults.