A scaled-down version of its big brother, the X1S features unmatched peripheral vision due to Dragon'spatented Frameless Design and premium injection molded spherical lens. The X1s offers premium performance features, seamless helmet integration, and Dragon'sexpanded line of Lumalens color optimized lenses. Throw in Dragon'sstronger Super Anti-Fog coating and armored venting and you've got one heck of a goggle. This goggle utilizes features derived from Dragon's patented Advanced Projects X (APX) technology.