Multi-density Expanded Polystyrene (EPS) Technology provides a softer EPS

moving around in the paddock or the pit garage with top of the suit out of the shoulders

Contoured design to snug the body

The injected dual-pane design minimizes distortion and enhances impact resistance

Fox Racing Koroyd Back Insert Adult Off-Road Body Armor Size:Large Multi-density Expanded Polystyrene (EPS) TechnologyFox Racing Koroyd Back Insert Adult Off Road Body Armor Genuine chest guard replacement parts Replacement Koroyd Back Insert designed to fit the Airframe Chest Guard. Fox Racing official replacement parts Colors: Green Sizes: Small, Medium, Large, X Large SKU: 41201 004