Specs: Built to fit over glasses Design/Technology: ChromaPop visor integrated for wide scope with enhanced clarity Fine-tune adjustability via dial Optional photochromic visor that adapts to light conditions 14 vents for optimal breathability Removable Snapfit SL2 ear pads with audio compatibility Zonal Koroyd(R) coverage to absorb energy and help protect from impact Exterior shell fused to EPS foam for 1-piece construction Compatible with Aleck(TM) audio system Safety Features: MIPS(R) Brain Protection System to minimize rotational forces caused by angled impact to the head Certification: ASTM F 040 CE EN 1077:2007 CLASS B, CPSC, CE EN 1078