Beachbody Shaun T's FOCUS T25 CORE SPEED DVD Workout Core Speed is the perfect workout when you're busy and have no time to waste It's 25 minutes of pushing hard, burning fat, and getting shredded in record time Are you ready to improve your balance, increase your stability, and crank up your fat-burning intensity? All you have to do is load up Core Speed and push Play CORE SPEED is perfect on its own or, if you've already blasted through the ALPHA phase of the FOCUS T25 base kit, you can use CORE SPEED as an intense substitute for the SPEED 2.0 disc