New Vinsguir Ab+ Roller Wheel, Knee Pad Black White Fed OSFA:Black White Red Imported Plastic frame Polycarbonate lens 13 D(M) US:Gray Black White Imported Plastic frame Polycarbonate lens Non Polarized UV Protection Coating coating Lens width: 62 millimeters Bridge: 19 millimeters Arm: 120 millimeters ArmourSight lens technology delivers up to 20% more undistorted peripheral vision & are up to 10X stronger than ordinary polycarbonate lenses Multiflection lens coating guards against scratches & smudges Ultralight ArmourFusion frames are built from a combination of titanium & Grilamid for superior strength & flexibility Three Point Grip ensures a comfortable & secure fit Adjustable nosepad microfiber Leading sports protection manufacturer^Performance and protection in mind^Worn by professional and college athletes worldwide Unrestricted motion of shoulder and torso that allow maximum movement Maximum breathability and moisture wicking fabrics to accelerate the transfer of heat and moisture away from your body Men's size XS fits a 29" to 31" chest Chafe free flatock seams and a droptail hem for maximum comfort and improving power and balance while decreasing the likelihood of injuries STRENGTHENING: The GoFit Extreme Ab Wheel challenges your abs