Product Description: UVEE ADVANTAGE HG1-PHSL is fixed with Slide-lock, a patented locking system. It is easily adjustable, comfortable which is specially designed together with 8 point moulded shock adsorbing suspension system to privide essential crown clearance to absord impact energy. Shell manufactured sweatband. * Fixed with Slide-lock, a patented locking system. * Easily adjustable * Comfortable which is specially designed together with 8 point moulded shock