Features HD - Heavy Duty maximized protection Front, back, shoulder and flank safety Multi layer multi plate articulating design. Great fit and very comfortable by 3D design 53 ventilation slots for maximum airflow. BraceOn neck brace fitting system New FlipFit front and rear function allows over and under the shirt fitting with a Leatt neck braces The absolute most protective and comfortable chest protector ever. LEATT® HDPE High Density Poly Ethylene hardshell outer protective shield LEATT 3DF foam for impact absorption certified for impact protection: EN1621-2 level 2 back EN1621-3 level 2 front EN 1621-1 shoulder