Parallel Polarized Gray Replacement Lens Size:- a new suspension system for

a new suspension system for better transport

this mid-layer has four-way stretch giving you complete freedom to move

Perfect for use in the spring and summer with a comfort temperature (men) of +2°C (women +7°C )

Bivvy keeps condensation at bay and reflects 70% of your body heat back to you

Because not only does it have a classic look that never goes out of style

Parallel Polarized Gray Replacement Lens Size:- a new suspension system forSmith Optics' interchangeable performance series provides sleek, lightweight performance and convenient options for changing conditions. These replacement lenses feature Smith's famous carbonic TLT lenses for clarity, and a hydroleophobic coating for moisture and smudge resistance.