Lixada 25 vents super lightweight protective bicycle mountain bike road bike helmets for cycling mountain racing skateboarding roller skating adjustab
Featuresr strap adjustment easy to operater 25 vents with inner air channels bring cool air in and flush warm air out well ventilatedr soft removable washable antibacterial pads for best wearing comfortr a quick release buckle simple to wear or remove itr rotary internal regulator at the back adjusts the tightness as you wish