CE-approved back armor D3O« breathable back insert with custom-molded Icon geometry Articulating injection-molded back armor with airflow channels Injection-molded chest plate with integrated air intakes Vented Bio-Foam and airmesh chassis HydraDry moisture-wicking liner Highly-adjustable waist and shoulder straps Low-profile design fits under most jackets Hi-viz vests are designed to pass U.S. military high-visibility specification requirements. VEST STRYKER BLACK S/M