these pants are also equipped with a ventilation port on the knee for maximum airflow

with a reinforced heel and toe box

such as concussion

the Bionic Rib Support incorporates adjustable shoulder straps

aerodynamic efficiency

nucleon kr cell ci s Size:S these pants are also equippedAn 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.