A fantastic item to give you the upper hand in abdominal workouts whether you train at home or at the Gym, with theses gravity boots you will be able to give your ABS the definition that you have been longing for without putting too much pressure onto your buttocks and lower back, as well as allowing your body to fully stretch while training your ABS. Hang upside down and perform inverted crunches, sit-ups, and twists to work your abs and oblique's without staining your lower back. These Gravity Boots allow you to incorporate challenging inverted sit-ups, crunches and bends to your regular workout, while giving your ankles unparalleled support. SPECIFICATION :- Single action locking mechanism Helps with compression fatigue from aerobics, cycling, running etc Reduce back pain, spasms, and muscle fatigue