LOW-PROFILE ROOST DEFLECTOR WITH D3O® ARMOR The Raceframe Impact Soft Back Guard is Fox Racing's top-level chest guard which can be worn over or under the jersey. Its low-profile and articulated design and features fit snugly to the body, ensuring you have full range of motion while riding. The rugged D3O® armor is built to absorb impacts without restricting motion. With extensive laser perforated venting, you'll stay cool with increased breathability and airflow. Versatile and designed for the Rider Attack Position™ (RAP), the Raceframe Impact Soft Back Guard is built to perform so you can too, and adjusts to fit all body types.