The Certified Player's Series Chest Protectors have the same high-quality look and functionality of our System 7 Axis chest protectors with enhanced protection in the upper chest area, just with fewer high-end features for a more price-conscious design. Certified by SEI to meet NOCSAE standard for protection against commotio cordis. Patent pending technology for improved protection. Stepped ab padding for improved blocking and ball control. Moldable PE plates in the shoulders and throat. Delta-Flex harness with 4 point adjustment for the perfect fit.