FORCE3 Defender Two-Tone Catcher Chest Protector

Its a nice chest protector, however the head hole is too small. My head isn't that big and it barely fits through it.

Very comfortable

The fit of this chest protector is exactly what you are looking for. It stays down while you are in the crouch and does not move up when you pop to throw. Had a couple in the dirt first game wearing it and it stayed in place and I was able to box them down without feeling much when the ball hit