The giro phase mtb helmet is so comfortable you wonrsquot even know itrsquos there so you can concentrate on the trail ahead the in mold construction makes this helmet light weight and durable while increasing ventilation the easy fit roc loc 5 adjustability means you can get a perfect fit that feels as though it has been tailor made for you with a simple twist of the dial finally this giro mtb helmet has a snap fit 2 visor that you can easily remove giro phase mtb helmet f