Most masks come with visors which some find to be useful when playing outdoors. Additionally, some masks come with built in fans designed to reduce fogging, while others are designed to have a fan added on if necessary. The plastic of the mask come in many levels of rigidity. Some players prefer softer plastic which may help prevent a ball break. When choosing a mask; chose one that is rigid enough for your liking. The plastic also comes in numerous colors ranging form bright reds and blues to dull blacks and greens, so you should able to find a color you like. There are also many purely cosmetic upgrades you can add to customize your mask.