Designed to maximize range of motion and comfort Customizable front bib allows you to shorten or extend Velcro landing area for a perfect fit New multiple piece Grid-Flex+ construction makes for a flexible uniform fit. Aeroshield foam is utilized for enhanced impact performance GRID FLEX+ - Multiple piece assembly with built in breaks provide a flexible, uniform fit AEROSHIELD - Light weight, high-impact absorbing HD EVA foam positioned in key areas ADJUSTABLE BIB - Customize your fit and protection Starting January 1st 2022, this item will not meet NOCSAE standards. Click here to shop NOCSAE standard compliant chest and shoulder protectors. Brine Clutch Elite Shoulder Liner Size.