Snap in place removable upper and lower goggle comfort foam inserts; Optically correct high definition dual-pane thermal lens to prevent any possible fogging; Quick-change lens retention system; Adjustable anti-slip goggle head strap; Adjustable chin strap with quick release buckle; Vents spread throughout the goggle to enhance breathability and hearing; Lightweight design; ASTM Safety Certified for Paintball and Airsoft