the Bionic Rib Support incorporates adjustable shoulder straps

With a pre-curved design and racing-derived finger bridge

with a reinforced heel and toe box

such as concussion

and co‑injected TPU/aluminum replaceable toe sliders

nucleon kr cell ci s Size:S the Bionic Rib Support incorporatesAn ergonomic insert optimized for performance riding, the lightweight Nucleon KR Cell CiS Protector incorporates an advanced micro structure cell design for efficient impact energy absorption and high levels of airflow. The Nucleon KR CiS is a high performance, super lightweight track and race chest protector featuring Nucleon Cell technology.