SPRING HINGES:A pair of spring hinges sunglasses will offer all the flexibility and utility you want and allow the arms to extend past the traditional 30 degree range of movement when opened the sunglasses.Protects your glasses from bending or breaking,provide a higher level of comfort.
ALUMINUM MAGNESIUM SUNGLASSES LEGS:These sunglasses temples are made of aluminum magnesium material,Magnesium aluminum alloy is the most important of the magnesium alloys.It is light,durable and skin-friendly.
POLARIZED LENS:The polarized lens provide crystal clear vision and reduce glare-causing reflections from flat surfaces.Against harmful UV rays,make sure your eyes are fully protected when you driving or other outdoor activities.