Water rescue helmet yellow adjustable size ABS high strength engineering plastic

Parameter : 

• The outer shell is made of ABS high strength engineering plastic, and the inner shell and outer shell are bonded by high pressure foaming EVA foam cotton.
• The outer shell is made of ABS high strength engineering plastic, and the inner shell and outer shell are bonded by high pressure foaming EVA foam cotton.
• The ears with air vent are specially designed to ensure that hearing is not disturbed and provide good cushioning performance. The rivets are made of stainless steel to avoid rusting after use in water

• Helmet has 10 drainage ventilation holes; Air vents are installed at the top of the helmet to ensure cool in hot weather; Air holes are set on the left and right sides. When worn for a long time, the air holes inside the head can provide heat dissipation and ventilation

• Dimension : Equipped with special regulator, suitable for most of the head circumference, can be adjusted between 56-62 c