bike helmet(SV84)

bike helmet(SV84) 1.construction:in-mold 2.PC shell 3.high density EPS 4.Adjustive system 1.The unqiue hidden buckes make the appearance more beautiful and smooth. 2.The Superman-shape design not only endows it with unqiue style ,but also helps to release heat from head . 3.The multi-layer compound anti-insect internal netting allows more comfortable fitting and nultidirectional anti-insect funtion . 4.The double -density compound movable injection retention system is able to adjust to different head shape .