A brand new optical choice from K2, the K2 Source Z Goggles features a sleek frame shape and excellent field of vision. The smooth goggle-to-lid integration ensures comfort and venting, while a removable outrigger allows you to rock the goggles under or over your helmet, as desired. A Zeiss spherical lens is top-notch, and lens swapping is made easy—simply pop ’er in-and-out of seven connection points.