Cascade R Lacrosse Helmet Carolina Light Blue OSFM One Size Black Mask 

According to the helmet size chart provided by cascade lacrosse, https://cascadelacrosse.com/wp-content/uploads/2017/09/XRS_HelmetBooklet_21.01_01.20.2021.pdf , the head circumference of this helmet should be for Product R, Size OSFM, with dimensions for head circumference being 21.5" to 24" (546mm to 609mm)

Excellent preowned condition. No chin strap. See description for head measurements. Ships fast.