Outdoor sports teenager full face helmet balance bike scooter bike riding helmet teenager helmet with light and insect net Applicable (FOR): teenager balance bike, scooters, scooters, bicycles, skating and other outdoor sports Material (MATERIAL): Imported PC shell EPS imported inside Product packaging: 30.5*22.5*18CM Technology (TECHNOLOGY): One-piece molding (In-Mold) COLOR: 13 colors are available Size (SIZE): 46-53CM Applicable (FOR): teenager balance bike, scooters, scooters, bicycles, skating and other outdoor sports Inner width (WIDTH): 16CM, inner length: 20CM WEIGHT: 310G Ventilation holes (VENTS): 16 Construction: External IN-MOLD (integrated molding) anti-impact PC, internal EPS integrated molding packing list: 1*helmet Specifipetions: In-mold structure Large 16-hole open vents improve airflow and reduce weight, and have excellent breathability Double density eps eps-spread the impact to a wider area Anchored Y-belt anchoring system provides better fit Helmet all-mountain helmet coverage rate is low to increase protection, multi-density impact reduction system provides excellent protection High-quality lining and chin padding for added comfort Single-drive hand plate fixing system provides easy adjustment Removable sun visor and an additional replacement inner pad Package Included: 1*helmet