Satin Dark Tortoise Base Curve:  8Rx Frame Size:  Temple 130mm

Fixed saddle-style design with adjustable

Signature bayonet temples designed for military pilots

Lens Material: SkyForce™ lite lenses with Vector™ Anti-Reflective & Blue Wave™ lens technology

Polarized:  Yes Lens Colors:  HCL Bronze

Serengeti Sestriere Single Vision Prescription Lens Options::PHD Trivex | Non Polarized Clear w/Anti-reflective Backside Satin Dark Tortoise Base Curve:Serengeti Sestriere Single Vision Sleek, feather like, and comfortable, the Serengeti Sestriere uses light weight Trivex lenses and a streamlined nylon frame. Great protection for your eyes with style in mind. All Serengeti lenses are light weight and offer the latest in photochromic technology, which constantly lightens and darkens throughout the day to ensure you see every detail. Youtube Review. Fit: Small Medium SPECIFICATIONS Polarized: Optional