Ultra light, total weight is only 180g, including lens weight; 3D design, fitting the head back well; Strength has been improved by 60%, which can protect head better; 23 big holes, very breathable; Lens is removable; Comfortable to wear; Ingegrated PC lens with military impact resistance, windproof, anti-glare and UV protection; Comes with 3 lenses: filming lens, grey polarized lens, yellow bright enhancement lens