Savionaires are always looking for ways to up their fitness level. To strengthen and tone your butt and legs and improve your posture, get a pair of SpringBoost B-Fit. These fitness shoes allow you to customize the level of intensity of your workout by using its Modular Insole Program. This program is a set of three interchangeable insoles that allow you to modify the angle of dorsiflexion (the elevation of the foot and flexion towards the back): Dorsi 0 is the neutral position, which is similar to walking barefoot, Dorsi 2 intensifies your training and Dorsi 4 should only be used occasionally since it maximizes your training intensity.
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