Hardshell, Gear Driven Ventilated Impact Protector. Total Leatt® protection score of 25 points. Hard shell using Leatt engineered impact technology. Anatomically correct, geared pivoting design for left and right sides ensures perfect knee motion. CE tested and certified as impact protection: Knee and shin EN1621 - 1. Extended, soft internal padding gives comfort and grip. Metal outer cover reinforces gear mechanism and helps reduce lateral impact forces. Rubberized inner hinge padding offers increased bike grip. Slim shin plate for great boot fit. Large ventilation ports in critical areas for maximum airflow.