These shoulder pads feature a single layer construction for a lightweight feel. The shoulder caps are made with PE molded plastic to provide a good level of protection. For the torso protection, CCM uses PE foam to offer good protection and a lightweight feel. On the biceps, the FT350 shoulder pads feature molded PE caps that wrap around your arm. Taking a look at the sternum and spine, these shoulder pads have an anatomical molded PE sternum plate and a PE insert for the spine protection. Overall, these are the beginner level shoulder pads in the Jetspeed protective line and they offer enough protection to keep you safe and comfortable in low contact leagues.