Specifications: Lightweight and High-performance designing. Koroyd core provides advanced impact protection. Large Vents including top “air intake“ zone and large diameter Koroyd tubes for increased airflow. Dual Retention System offers options between removable 3D One-hand micro-adjustment fit-system and traditional cushion pad. Anti-bacterial, fast-wicking padding with shock absorption side plates. Certified to BS 7928:2013 A1 2019, (EU) 2016/425 and tested with both 4 3/4 & 5 1/2 Oz balls.