For a lightning-fast reaction between the tubes, the EFLEX 6.5 are just the thing. They're designed to provide the kind of flexibility you need to get in and out of your butterfly quickly, while also fitting snugly enough to respond naturally to your movements. Thanks to the high responsiveness, you will never be caught off guard – no matter where the puck goes. DRS DYNAMIC RESPONSE SYSTEM PRODUALITECORE TECHNOLOGYQUICK MOTION STRAP SYSTEM 2SPEED SKINCormolded single inner, single break outer flex profileFlexible feel and great butterfly closure at the same timeDRS Dynamic Response System Knee StackOne-piece landing zone for excellent sealing and stability for fast and comfortable movementsDualitecore technologyLightweight, flexible feel that moves and responds with every saveDeep, tight fit with Quick Motion Strap System 2Responsive feel for quick and easy pad rotation and recovery90-degree boot with flat channel + offset + bungee toe systemIt facilitates contact with the ice and push-off when moving across the ice lineOpen design with removable knee braceAllows for optimal interaction and rotational performance with knee padsRaised, flat inside edge designSealing and stability for powerful transverse fold movements