4.0 Air One

 

4.0 version standard ( blue )

 

4.0 version standard ( purple / pink )

 

4.0 version standard ( yellow/gold )

 

4.0 version standard ( green )

 

4.0 version vented ( yellow / gold )

 

4.0 version vented ( green )

 

4.0 version vented ( blue )

 

4.0 version vented ( purple / pink )