GRIT® 25'

GRIT® 25'

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Description
High-intensity interval training (HIIT) is your route to a slender and athletically defined body. The three formats – ATHLETIC, STRENGTH and CARDIO – are suitable for anyone looking for fast results. GRIT® increases muscle mass and boosts calorie consumption, even hours after a workout.
Description
High-intensity interval training (HIIT) is your route to a slender and athletically defined body. The three formats – ATHLETIC, STRENGTH and CARDIO – are suitable for anyone looking for fast results. GRIT® increases muscle mass and boosts calorie consumption, even hours after a workout.
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