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