NG21 Spare Lens
Color — Brightening Yellow Film
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In stock
VLT 78–92%, built for night runs
clear trail detail at night
swap in seconds
sealed dual-pane chamber
| Lens | NanWave® high-definition PC double-layer anti-fog spare lens with REVO® mirror coating — lifts terrain clarity and contrast so trail detail stays visible even on night runs; wipes clean of snow spray; hydrophobic / oleophobic; UV400, ANSI Z80.3 |
| Lens swap | Original manufacturer spare lens — top/bottom buckles plus strong magnets form a dual-lock mechanism that holds the lens firmly on the frame and releases in seconds for a fast swap |
| Anti-fog | Italian Mazzucchelli® inner lens forms a sealed anti-fog barrier with the outer lens in the dual-pane air chamber |
| VLT guide | overcast/night: Boost-Yellow 78–83% · night: Clear 87–92% (NANEND lab measured) |
| Fit | Universal fit · unisex · TPU frame |