player

Member of a water polo team; during a game, the player must always stay in the water, never touch the bottom and not hold on to the sides of the pool.

cap

Flexible cap with ear protectors on which the player’s number is written; each team wears a cap of a distinct color.

water polo ball

Waterproof sphere that is filled with air and is usually yellow; the players (except for the goalkeeper) may not hold the ball with both hands.