"The new Hybrid range specifically designed for Moto features a hard shell chest protector to handle roost and a soft shell back protector for extra comfort. The 4.5 Hybrid Chest Protector features a hard shell chest protector with FlexMesh Pro impact protection which is very light weight and ventilated, while the back features soft 3DF impact foam that forms to the shape of your body making it very comfortable and ventilated. The FlexMesh Pro and 3DF design makes excellent use of flex joints and soft impact foams, allowing for 3D flexing and an exceptional fit. The chest protector has an elastic strap ensures secure positioning. The BraceOn system allows for a seamless neck brace fit."