Green collection prizm a frame 20 snowa frame 20 is a leaner and cleaner look that goes low profile to reduce weight and bulk and thats just the start it is an icon ic design with enhanced fit and performance framesflexible o matter chassis conforms to your face comfortably even in extreme cold articulating o matter strap connections provide balanced fit with or without a helmet sleek and compact frame design provides increased visibility and improved helmet compatibility metall