Features Water- and oil-resistant carbonic lenses are optically tuned for visual comfort and meet the ANSI Z80.3 standard for impact resistance Polarized lenses reduce 99% of visible glare from water, snow, sand and pavement for increased visual acuity and decreased eye strain Includes a set of Ignitor lenses, small storage case and microfiber bag; Ignitor lenses maximize an object's definition and enhance depth perception in low light Hydrophilic nosepads and Megol® temples supply a nonslip fit; autolocking hinges Frames are crafted from durable TR90 nylon AutoLock hinges hold frames open for easy one-hand on and off Medium fit with medium coverage Smith eyewear is designed to integrate with Smith cycling helmets for maximum comfort, venting, fog-free lenses and storage convenience (helmet not included)