Bollé Strix Black Matte / Sky Blue Polarised Cat 3Designed for good stability and good side coverage for the great outdoors. This small sized 8 base frame stays firmly in place thanks to the Thermogrip rubber on nose pad and temple tips, and the 8 base frame provides good protection and a wide field of view. TNS CAT 3 Fit: Small Weight: 23 g Product Material: TR90 Nylon Colour: Black Matte Lens Name: Sky Blue Polarised Cat 3 Category: Cat. 3 Base Tint: Grey Style #: BS022010