Material:High quality TPU material，nylon
Weight：265g
Color：Black，Dark Earth，Gray，Olive，Multicam，Multicam Black
Package：Mask*1，elastic handband*1，rail adapter holder*2，rail fixig accessory*2，screws（NOT include helmet）
Fit OC style helmet rail
Remains comfortable in a long run, not easy to be slack even after intense exercise.
Function: Outdoor activity,game,CS game
Two using modes for switching：use on helmet,wear on head directly
