Fielder approaches play in a balanced and aggressive manner moving on the ball of the feet.
As the ball is played, the fielder should be perfectly balanced, in a low crouched position with the head still and eyes level.
Experience may allow a certain amount of anticipation.

Fielder assesses flight of ball and moves quickly on the balls of the feet to a position underneath the ball.
Keeping the head as still as possible.

Fielder steadies under the ball and prepares hands which ar at or above eye level.
Thumbs together or crossed, fingers pointing backwards or parallel to ground.
Knees flexed hands relaxed.

Catch made above eye level.
Hands close around the ball and give to either side of head.