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"I have done MANY different workouts and this is BY FAR the best experience I’ve had! The workouts are intense, but short. The variety between treadmill and strength prevent boredom. I use them all the time!" - Deb, 40, MN
From beginner to advanced, SISSFiT workouts grow with you as you improve your fitness.
Whether you want to work out at home, in the gym, or on the road, you can use SISSFiT workouts anytime, anywhere.
SISSFiT HIIT strength and cardio workouts are 34 minutes or less, getting you maximum results in minimum amount of time.
When you buy SISSFiT guides you are also joining our FiTSISSter community where we support, motivate, and uplift you to reach your goals.
Besides being sisters (and best friends) we’re certified fitness trainers, sports models, and former Division 1 Track and Field athletes. With an extensive background in sports and fitness, in addition to a first-hand understanding of hectic and demanding careers, we joined forces to bring you our realistic and effective approach to every day working out.
Whatever brought you here, know this -- you're one step closer to becoming your strongest, leanest, most aspirational self, both mentally and physically, in just 30 minutes per day or less.SHOP OUR GUIDES