DELTA Precision CNC Machined Aluminum FrameFully Adjustable Frame and NosepieceImpact Resistant Polycarbonate LensesThin Temples; Comfortable Fit Under Helmets and Ear ProtectionLifetime Frame WarrantyAmerican Made Built for capitalizing on every opportunity and designed for your diverse skill-set. Clean lines. Effortless presence. The Delta is your go-anywhere, defeat-everything frame. Adjustable Frame for Comfort and Fit Adjustable Center Frame WidthThin Adjustable TemplesAdjustable Silicone Nosepiece with Metal Core American Made Quality You Can Trust Precision CNC Machined Aluminum FrameStainless Steel Rivets Bond 4 Hinges to FrameDurable Cerakote and Anodized Coatings100+ Point Measurement Quality Check Delta Measurements Gatorz Delta Hinge to hinge [Frame Width] - 141mm Lens Height - 39mm Lens width - 46mm Bridge Width - 13mm Temple length - 122mm Base Curve - 6