Train recovery and body control.
Water-weight training builds the rotational recovery and body control to reset after every stroke.
See how the water builds control.
The water shifts as you move, so you work to control it on every rep, building the balance and stability a fixed weight can't.
How the water trains control.
A shifting water load trains the balance and control that transfers to your sport. Here's how it works.
It shifts as you move
Fill it, lift it — the water lags and slides on every rep.
You fight to stabilize it
Those corrections train the core and joint control a fixed weight skips.
It shows up in your sport
Balance and control that transfer to how you move, react and hold ground.
The app and course come free.
Guided sessions, fill levels, and drills for your sport — included with every tool. No subscription, ever.
- The app — follow sessions, set your fill, track every rep
- The course — your sport's method and drills
- Included — with every tool and system
Common questions
How does water weight help tennis?
Every stroke is a rotation you have to recover from. The reactive load trains the rotational recovery and body control to reset and be ready for the next ball.
How do I fill it and change the weight?
Fill from any tap with the included pump, add the dye, then seal the valve. Add or pour out water any time to change the load.
What size should I get?
Every size lists its best-fit load range, from youth to adult. Not sure? The setup finder points you to the right one in five questions.
