This may help.
This is the text from a checklist for trackday/racing. I can email it over in Excel format if needed.
Clothing
Both Helmets & Visors
Gloves + spares
LeathersBoots
Knox Armour
Extra socks, shirts
Shorts
Sandals
Underwear
Food
6-Pk Gatorade
Water
Peanuts
Powerbars
Safeway Sushi...