GMax GM54S Derk Modular Helmet The modular design allows the flip-jaw to rotate further back on the crown of the helmet. The further rotation of the flip-jaw not only increases the user's line-of-sight when in the raised position, but it also lessens the user's fatigue by maintaining an even distribution of weight across the helmet. Features New inner flip tint sun lens Inner flip shield is easily raised of lowered with a lever located on the exterior of the helmet Distortion free clear single lens shield New integrated multi-function red L.E.D rear light Optional rear brake light kit available One hand easy to use chin bar push to open mechanism Lightweight D.O.T approved thermo-plastic alloy shell Excellent shield sealing reduces unwanted air and noise GMAX D.E.V.S adjustable dual exhaust venting system, top, side, and rear venting reduces fogging and sweating by allowing hot air to escape from the mouth area and top of head Adjustable chin vent directs air upward across the inside of the shield to help reduce or eliminate fogging Large eye port for improved range of vision Coolmax comfort liner and cheek pads move the moisture away from your body and the fabric dries quickly. The added performance keeps you dry and comfortable Removable/washable interior and adjustable cheek pads allow for more comfortable sizing Deluxe ear pockets for better fit and comfort Built in speaker pockets for communication systems Soft padded chin strap Painted shell with high quality clear coat finish Soft helmet bag included