1. Specification:
Gender: Teenager
Size: M:52-55CM, L:55-58CM
2. Material:
Outside: PC,inside:EPS,PU foam,nylon adjust belt
Unicase technology ,more safe and perfect
3. Storage advice:
Do not stored in damp environment, near where the heat source or directly in light, helmet for dry processing, suggest using canvas package for storage.
4. Impact protection:
Very low weight, about 260g
Ventilation,use air cooling make the air free
Anatomic design , senior double-sided velvet protection pad
Easy to use,with magic buckle connection
5. Certification: 
CE ,EN1078, CPSC:16CFR1203, UKAS ISO9001