This is the cool frameless X1 ski goggle from Dragon in the s-edition. The X1s totally equals its greater brother, the X1, but in the s-edition these ski goggles are designed for medium sized faces (in stead of the X1 for large faces).
The X1s has a lot of features. The lens is spherical shaped to provides the best and widest field of view, it has adjustable strap for the best fit and it has silicone inner to provide good grip around the ski helmet. The Super Anti Fog ensures and all day clear view.
The Mill edition comes with a lens for the bright and sunny days on the slopes - the Lumalens Blue Ion. In addition there is and second lens the Lumalens Amber for overcast days.