Technology:Unicase technology,more safe and perfect
Storage advice:do not stored in damp environment,near where the heat source or directly in night,helment for dry proceesing,suggest using canvas package for storage
Very light weight, about 190g only helmet appox Size : M/L 55 -61
use air cooling make the air free,Anatomic design,senior double-sided velvet protection pad ,Easy to use,with magic buckle connection