Lens Only (plus nose piece). This lens will fit into any XZ1 frame but provides more coverage than the regular XZ1 lens. 

Blue Photochromic Category 0-2 Lens
Lens: Transition / photochromic, transitions from category 0-2, light clear blue to dark blue.
Tint: Yellow (Amazing Contrast)
Conditions: Night to Sunny
Sport: Multi-Sport lens, ideal for skiing, cycling, mountain biking, triathlon, running, trail running

HD Blue Category 2 Lens
Lens: Blue category 2
Tint:  Bright Amber (Amazing Contrast)
Conditions: Cloudy to Sunny
Sport: Multi-Sport lens, ideal for cycling, mountain biking, triathlon, trail running, skiing.

Blue Photochromic Category 1-3 Lens
Lens: Transition / photochromic, transitions from category 1-3, light clear blue to dark blue.
Tint:  Yellow (Amazing Contrast)
Conditions: Cloudy to Sunny
Sport: Multi-Sport lens, ideal for cycling, mountain biking, triathlon, running, skiing.

Gold Amber Tint Category 3 Lens
Lens: Gold category 3
Tint:  Amber 
Conditions: Cloudy to Sunny
Sport: Multi-Sport lens, ideal for cycling, mountain biking, triathlon, trail running, skiing.