Husqvarna Apparel Leatt 4.5 Pro Chest Protector. Very comfortable, professional chest protector. Hard shell and 3DF AirFit ventilated soft impact foam. 3D design ensures a great fit. Multi-layer, multi-plate articulating design for added comfort. Adjustable over the shoulder straps ensure a great personal fit. Ventilation slots for maximum cooling. Removable front and rear plates and new slimmer BraceOn™ system allows over and under the shirt Leatt® neck brace fit. One size fits most adults. 52% polyethylene / 28% polyurethane / 16% polyester / 4% other.