4 pairs of jeans or other long pants
8 - 10 pairs of shorts
10 - 12 T-shirts
10 - 12 pairs of underwear
8 - 10 pairs of socks
1 pair warm pajamas
2 sweaters or sweatshirts
1 - 2 pair sweatpants
1 waterproof jacket
1 fleece or other light jacket
2 swimsuits
1 - 2 caps or hats

For Your Feet

2 pairs of tennis or running shoes
1 pair of Hiking Boots
1 pair of sports sandals (eg Tevas)
1 pair of cleats or soccer shoes

Toiletries

Several bars of soap
1 bottle of shampoo
1 toothbrush and toothpaste
1 - 2 bottles of deodorant
1 hair brush or comb
1 - 2 bottles of sunscreen
1 - 2 bottles of insect repellant

1 sleeping bag
1 small tent
1 day pack
1 internal frame pack
1-2 water bottles

Other Necessities

1 - 2 pillows
2 sets of sheets & pillowcases
2 - 3 warm blankets
2 - 3 bath towels
2 - 3 beach towels

1 flashlight
2 sets of replacement batteries
Several pens
A lot of paper & envelopes
1 pair of sunglasses
1 35mm or digital camera
1 portable CD or digital audio player

Sports Gear

1 fishing rod and reel
1 tennis racquet
1 softball mitt