Clothing

2 synthetic shirts, long sleeve
2 synthetic T-shirts
2 pairs synthetic hiking shorts
1 pair synthetic trekking pants
1 pair warmer hiking pants
1 or 2 pairs of fleece long underwear/trousers
1 pair of leg gaiters
1 pair of socks per trekking day, with at least 2 pairs of lighter (synthetic) socks and 3 pairs of heavy wool/synthetic blend
1 pair of underwear per day
1 warm fleece jacket
1 Gore-Tex rain/wind shell
1 pair Gore-Tex rain/wind pants
1 poncho
1 fleece sweater
1 pair of fleece glove liners
1 pair of cold weather gloves or mittens
1 pair of light windproof gloves
1 warm hat
1 sun hat
1 balaclava
1 pair trekking boots (medium weight, waterproof)
1 pair of walking/camp shoes
1 pair UV-blocking sunglasses with side-gussets

First Aid Kit

Your first-aid kit should include the following:
Blister bandages / mole-skin
Small bandages (band-aids)
Elasticized support bandage (ace-wrap)
Safety pins
Small pair of scissors
Medicines in your first aid kit should be discussed with your physician, and should address the following:
Analgesics (pain killers): Acetaminophen (ie. Tylenol), asprin, ibuprofen, Vidocin*
Anti-Allergy: Hydrocortizone (ointment), diphenhydramine hydrochloride (oral antihistamine), (ie. Sudafed); Epinephrine*
Antibiotics; Bacitracin (ointment), Erythromycin*, Cipr