Mountain Bike Helmet with LED Warning Iight.

Whether you like yelling "Banzaiiii!" or "Geronimo!!!!" when you take off down hill on that crazy trail.... wear a helmet - FOR REAL..... (KOWABUNGA!!!!????)

With magnetic silver-plated glasses lenses, USB rechargeable tail-lights with multiple adjustment modes, good ventilation system, stylish colors good-quality nylon webbing, this one here says , "Looking Good!" all day!

And it protects your coconut from impact. BONUS.

The knob-type size adjuster brings you comfortable riding and a secure fit. 

Size:  (57-62CM) (Adult) (fully adjustable)
Weight: 318 grams (a bit more than 1/2 pound or 11-12 ounces) 

built-in USB rechargeable battery, USB cable, sunglass interchangeable coated lenses