Hey im going to an overnight camp for 4 nights 3 days and 2 5hour bus rides?

Do you know what i should bring and what i want to know most i dont wanna look like a fool so how big of a suitcase would i need, theres hiking lots of sports and a ton of mud and getting dirty involved, im a guy. the camp is called camp eagle at rockspriings texas its a church camp so if your going you might know what to bring