ioutdoor Bike Helmet Adult, Mountain Cycle Helmets Mens with Visor 56 62CM 18 Vents Bicycle Cycling for Teenagers Women Men (Carbon Black)

✅【Sturdy,Lightweight,Cozy】:PC case+high density imported EPS inner shell+soft inner padding can reduce external forces.You won't feel burden for its 194.3g(0.42 lbs) weight. ✅【18 Vents,All-round Breathable】:This cycling helmet is designed with 18 vents,which brings you a cool,dry and comfortable feeling during riding. ✅【Universal size】: The helmet size can be adjusted in two ways: back single-hand dial wheel and chin strap.The helmet fits head circumference 22.05-24.41 inches(56-62cm).Please measure your head circumference first! ✅【Removable Sun Visor & Liner】:This helmet comes with detachable sun visor,which protects your eyes from sun,rain,mud.The inner padding is removable,too.you can remove and wash it easily. ✅【Sports Headwear】:The headband is 48CMx25CM,You can use it as pirate,scarf,headband,wristband,hairnode,alice band,balaclava,cap,mask,etc,multiple functions.