Revolutionary shell design - high impact resistance nylon
Halo headgear - ergonomic, infinitely-adjustable 5 point head gear provides extreme comfort and balance
Low-profile design, central pivot point allows for maximum head clearance while helmet is in the up position
3.93 x 2.36 in. (100 x 60 mm) viewing area. 1/1/1/2 -5-13 adf
Color touch screen control panel with 8 separate memory settings and externally activated shade 4 grind button