The First Size 6 Water Polo Ball

When it comes to improving water polo skills, the ball you practice with matters just as much as the drills you run. That’s where the KAP7 Yellow/Black HydroGrip Water Polo Ball — Size 6 comes in. This isn’t just another ball; it’s a training tool designed to elevate your grip, control, and overall feel for the game. Whether you’re a coach, an athlete, or a player looking to gain an edge in your training, the Size 6 HydroGrip offers performance benefits that go beyond its simple appearance. 

Size 6? Yes, you read that right. Trainers in sports like basketball and tennis have learned that using a slightly larger ball helps improve grip strength, hand positioning, and overall control. When players practice with more demanding equipment, their coordination and precision naturally improve. Our Size 6 ball embraces this proven training method. It’s designed for warm up passing and shooting drills, and when players switch back to the official Size 5 ball, they often report that the ball immediately feels easier to handle. The impact is simple but powerful: by increasing difficulty in training, you increase skill and confidence in games.

The HydroGrip’s design intentionally leans into this principle. By adding a bit of size and a touch more weight — without turning the ball into a true heavy trainer — KAP7 helps players reinforce hand strength and control. This means that when you switch back to the regulation size ball, it often feels easier to handle. Players report that the standard ball suddenly feels lighter, more responsive, and more comfortable in their hands after training with the Size 6. 

In addition to its performance benefits, the HydroGrip construction itself is engineered with quality and durability in mind. While the Size 6 model is intended primarily for warm-ups, passing exercises, and shooting drills, it’s built with materials designed to withstand the rigors of frequent use. Players can trust the ball to maintain its shape, grip pattern, and bounce over time, making it a reliable training companion whether you’re in the pool by yourself or working with a team. 

For coaches looking to introduce variation into their training sessions, the Size 6 HydroGrip adds a smart layer of skill-building without adding complexity. It aligns with progressive training philosophies that encourage challenging athletes just enough to promote improvement. By increasing the size and grip demands in practice, you’re effectively tuning a player’s touch and reinforcing muscle memory that transfers back to regulation ball play. 

If you’re serious about getting better, training with the right tools makes all the difference. With the HydroGrip Size 6, you’re not just tossing a ball in the pool — you’re building confidence, refining skills, and taking a step toward becoming a stronger, more capable water polo player.

Shop now: Size 6