The 100% Speedcraft Sunglasses are a sport performance cycling sunglass featuring a 5.5-base cylindrical shield lens constructed from injection-molded polycarbonate that uses Ultra HD lens technology for optical clarity with zero distortion. The semi-rimless Grilamid TR90 frame is suited for road cycling, mountain biking, running, and baseball.Photochromic lens technology automatically adjusts tint in response to changing UV light levels, reducing the need to swap lenses mid-rideBastille Blue Mirror coating provides a high-contrast reflective finish suited to bright outdoor road conditionsThe photochromic variant is particularly well-suited to road rides and events where light conditions shift, early morning starts, cloud cover, or tunnel-to-open-road transitionsMeasurements: Width 156mm (across front); Height 66mm (top of frame to bottom); Temple 110mm (length of the arm along the side of the head)5.5-base cylindrical shield lens geometry provides wide field of view with zero distortionUltra HD lens technology with hydrophobic and oleophobic coating repels water, dirt, and oilInjection-molded polycarbonate lens is impact-rated and treated with hard coating for scratch resistanceGrilamid TR90 semi-rimless frame construction reduces overall weight while maintaining durabilityCopper-core temples provide adjustable shape memory for a customizable fitUltra Grip Rubber nose and temple pieces maintain secure contact during activityCompatible with the 100% RX Carrier (sold separately) for prescription use; replacement lenses sold separatelyItem SpecificationsActivityCyclingColorPearl White GlitterDefined ColorWhiteEyewear Lens ColorsBlue Mirror PhotochromicFace SizeAverageGender/AgeUnisexInterchangeable Lens YesPhotochromicYesPolarizedNoSizeOne Size 100% Speedcraft Sunglasses Sunglasses UPC: 196261052114 MPN: 60007-00038