Fit & Design: Standard fit sunglasses Part of the Revo x Bear Grylls Collection Non-slip, elastometric temple tips for a more secure fit 6-base lenses for a flatter profile temple to temple Lightweight, impact-resistant, glare-reducing polycarbonate construction Technology: Revo SuperFlex(TM) virtually indestructible frame material High-contrast, polarized Serilium+ lenses Revo Light Management System(TM) filters out harmful UV, HEV, and Blue Light Reduces glare and enhances clarity of digital screens Additional Details: 50 mm frame 23 mm bridge 148 mm temple 41 mm lens height