Click on the packing list link above.
In general....
Bring a sleeping bag and pillow and towel. Many of us have extra sleeping bags to share with the group if you do not have one.
Bring jeans and t-shirts for painting.
Close toed shoes.
Whatever you want to wear to Sunday service.
If you have work gloves and a mask, bring that. That site will have some available so there is no need to purchase if you do not have these.
Bring hats for protection from paint and sun.
It does get cool....bring a sweatshirt.
It also gets buggy....bug repellant, long sleeved shirts, bandanas etc. are useful.