FOX AIRSPACE MERZ GOGGLE - STL GREY/DARK GREY LENS P/N: 28370-172-OS The Airspace Merz Goggles borrow features from our pro-level Vue Goggles resulting in improved ventilation, peripheral vision, and comfort. It has a larger viewport and improved frame angles to give you a wider field of view. SPECS: Best-in-class viewport for unparalleled peripheral vision Variable Lens System (VLS) allows transfer of standard and injection molded lens Outrigger design creates a secure fit to keep dust and debris out of the viewport 3-layer face foam with fleece liner provides superior sweat absorption 6-pin lens retention system keeps lens securely attached to the frame 45 mm non-slip silicone strap improves grip on helmet 3-post tear-off system ready Microfiber goggle bag included Additional clear lens included Lexan™ lens offers UV protection Dark grey Lexan™ lens