Adopts excellent TPU material, no stimulation to face Gallus adopts excellent and high flexible cotton material with adjustable buckle Lens adopt thicker PC material with anti-abrasion and easy replacement Designed with ergonomics Fits face better With excellent sponge lining inside, resist wind and sand Apply to wear for long time outside in different weather Lens color: black, yellow, clear and blue Can dealing with anti-UV and frog Can choose coat which with belt suspension system Coat can be waterproofed Color of temples is available Various lens colors are available Portable to carry outdoor Standards: ANSI Z78.1, EN166, MIL-V-43511C clause 3.5.10 and MIL-PRF-31013 clause 3.5.1.1