Big tip-check the weather 24 hours before you leave and pack accordingly. This is from the guy who thought Thurs-fri was going to be in the 70s and packed only shorts/tshirts and paintball gear.
Go by a grocery store and buy lots of water/gatorade. I blew through my camelback in a 1/2 day.
Non-melting snacks for an on field treat.
Reduced parts kits and tools for quick repairs on you gun.
Multiple barrel backs to match paint, del. on size and weather.
***NEW Lens if you plan on going over the hill and getting shot a ton. Someone posted a picture of their 2 year old cracked lens.***