The Uvex Quatro helmet is lower, offers great ventilation and a guaranteed secure fit. The Uvex quatro with inmould construction has an anatomical 3D IAS system so you can adjust the helmet to your exact head size. It is primarily a trail helmet with an adjustable sun visor and a stylish design composed of three shells that are seamlessly joined together. The functional and comfortable inner pads can be removed and washed whenever you want.