DESIGN:11 multiple air vents, special aerodynamic design and breathable foam, this teenage/youth skateboard helmet help reduce sweating and feel cool , which is suitable for zipline, skate,roller skate,biking,cycling,scooter BMX etc.
ADJUSTABLE STRAP: Multiple adjustable elastic straps and velcro closures for secure. This protective helmet pads have two lines of elastic velcro straps for the size adjustment, could be flexible to different sizes for youth.
REMOVABLE INTERNAL FOAM:Frequent wearing of the teen cycling helmet may left sweat on the internal foam.So it is easy to tear the foam for cleaning.After cleaning and drying,super convenient to attach it again.
MEDIUM HEAD SIZE: 19.0-21.7inch/50-55CM, these cycling helmets come with an adjustable strap which make it flexible to fit the size of youth / teens.Please measure the size before ordering,GIVE PRIORITY to the measure.