Material: high quality plastic and high density EPS.
Specifically 10 wind hole design,unique and beautiful.
Wind tunnel,duct design, effectively reduce wind resistance.
Well-ventilated and comfortable,a labyrinth of optimized internal channels allow the bike helmet to breathe like no other.
100% Brand new and high quality.
The strap is adjustable to most fit you
It is made of high quality material, you might even forget that you're wearing anything at all
Stay safe while cycling with the bike helmet
1pc Bicycle Helmet(without retail package)
10 Vents Child Outdoor Sports Mountain Road Bicycle Bike MTB Cycling Safety Fashion Ultralight Helmet Skating cap (Blue) - B0150WHB4K