Bollé Nerox Nav sunglasses pair a sporty square silhouette and double bridge with polarized lenses for clear, glare-reducing sun protection. The acetate frame and Bollé signature flex hinge deliver a comfortable, secure fit for everyday wear. Key attributes: Gray | Transparent | Acetate | Polarized lenses | Category 3 sun protection | Anti-scratch coating | Anti-reflective coating | Oleo/hydrophobic coating | Signature flex hinge | Quick-release assembly screws | Sporty square design | Double bridge | Dimensions & fit: 55□17 140 | Medium fit | Composition & care: 54% acetate | 39% nylon | Metal parts