Sierra

Cat 3+   88-90% density ( 10-12% VLT) This mid contrast amber-brown filter is considered a marginal glacier density lens. It offers good flexibility from bright and clear to hazier conditions. This lens is also available as the Sierra Polar which will reduce glare further, but is not recommended where ropes or jumping crevasses are employed. Polarized lenses may also black out some LCD screens.

Learn more about special lens treatments such as routing, material type, and anti-fog.

SINGLE VISION: RESIN $149     POLY/NXT $199 ( 20% thinner) Required on all 8 Base Wrap Frames

PROGRESSIVE:   RESIN $199     POLY/NXT $309 ( 20% thinner) Required on all 8 Base Wrap Frames

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