The new HD Core with secondary protection from our unique cellular EVA form knee design improves flexibility and overall fit, aids balance and reduces damage to the knees when sliding or diving into bunkers. The secondary padding can also be removed offering the ability to be replaced or modified to achieve the desired level of comfort and protection. Strap up with upper and lower velcro closures for a precise fit and hit the field with confidence. What is HD Core? HD Core is a high density (HD) sealed foam with articulated flex points that allows exceptional flexibility whilst offering superb protection and comfort. Unique HD Core high density foam padding Hot Swappable secondary padding Upper and lower velcro closures for a precise fit Lightweight vented neoprene construction for increased air-flow Unique cellular formed EVA knee design optimised for better fit and flexibility