Pit Viper The Original Narrow Sunglasses Midnight/Polarized Purple thenorthface Helium Flex TechnologyFirewire's Helium construction

Helium Flex TechnologyFirewire's Helium construction is a breakthrough in extremely lightweight and durable performance epoxy technology

and an EVA midsole for support and stability

Thoughtfully engineered details

and power mesh dump pocket

Pit Viper The Original Narrow Sunglasses Midnight/Polarized Purple thenorthface Helium Flex TechnologyFirewire's Helium constructionPit Viper gives The Original Narrow Sunglasses plenty of adjustability to match your day. A nylon frame keeps things lightweight, while 100% UVA and UVB protection helps shield your eyes from bright conditions. The Turbo Adjustment changes lens angle, and the E Spot Adjustment includes four earpiece depth settings so you can fine tune the fit to your preference. Key Features Fit: Narrow fit Frame Material: Nylon UV Protection: 100% UVA & UVB