CCM Extreme Flex E4.9 Leg Pads feature a single break outer flex, a pre-curved single break core at the inner flex to close the 5 hole, a 90 degree boot flex with torsional flex for flexibility in power pushes, a deep ultra soft boot channel for movement, a tight fit no calf strap, a no-strap 2” elastic knee strap system for a custom fit, a recessed foam knee cradle with removable cradle wrap to help further close the 5 hole, DUALITECORE Technology in the core, and a 3D Grip / PE Foam Knee raiser.