Size
Size 5: U17 boys and men (15, 16 and 17 years old).
Caution: the age categories may differ between countries.
Circumference / weight
68-71 cm / 420 grams.
Circumference and weight that meet the FINA regulations (International Swimming Federation).
Design
We chose the best components for our new ball: our best rubber for a firm grip in the water, high-quality nylon and polyester for high resistance to impacts.