A weight that fights back. Fill it with water and the load shifts with every rep — forcing your stabilizer muscles to work in ways a fixed dumbbell never will. Adjustable up to 12 lbs, folds down to almost nothing, and travels anywhere. Live, unstable weight – water shifts with every movement, so no two reps are the sameAdjustable up to 12 lbs – fill to any level; even 6 lbs challenges trained athletesFull-body activation – recruits stabilizers and core alongside major musclesPacks down small – 2 lbs empty, folds to roughly 2 x 5 inchesFast setup – pin valve fills from any faucet, then pump firm in minutesTransparent body – see your water level, with a weight indicator included
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