The futuristic mask fits all head sizes and can be adjusted with the velcro strap that go around the head. It is very comfortable to wear and does not burden the head. Hand crafted with high quality materials, we spend a lot of time making it look perfect, every of our Mask is unique. This Cosplay mask made of high quality PC, it's hard and durable, but it cannot be used in airsoft games, please be careful. You can see clearly through the visor although it's black. It won't obstruct your vision while you wear it.