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