01. OUTER SHELL CONSTRUCTION     ABS polymer outer shell
02. INNER SHELL     Impact resistant expandable polystyrene beads
03. CHIN STRAP BUCKLE     Anti-pinch buckle
04. STRAPS AND DIVIDER     Strong fit straps
05. STRAP ANCHOR     Integrated rivet + metal plate anchor
06. FIT SYSTEM     One-hand adjustable 360 degree Gravity Occipital Lock
07. COMFORT     Fully removable internal padding
08. WEIGHT     S 415g | M 450g | L 540g
09. SIZE     S 51-55cm | M 56-59cm | L 60-62cm