Jetlag11235:gear list

Basic

 * pack
 * pack rain cover ($20 or garbage bag)
 * sleeping bag
 * sleeping pad
 * trekking poles
 * you might want to consider these. I love mine.
 * hiking boots (waterproofed)
 * I have Nikwax: Fabric and Leatherproof (what material are your boots?)
 * camp shoes
 * lightweight flip flops, can make from old shoe inserts
 * or, I'm buying these
 * hydration system
 * nalgenes, gatorade containers, bladder

Basic (more)

 * knife
 * flashlight
 * spare bulbs/batteries/flashlight, if relevant
 * camera
 * spare batteries/memory, if relevant
 * compass
 * passport
 * money

Emergency

 * small firstaid kit
 * I can make you a small one if you don't already have one
 * method to start a fire
 * no lighters allowed on planes
 * whistle

Hygiene

 * TP
 * deoderant
 * toothbrush/paste
 * alcohol/soap gel
 * sunscreen
 * lip protection
 * mirror/razor (optional)
 * small towel

Clothes
Precise numbers might change once we figure out duration of longest expected trek. Unless otherwise specified, nothing should be cotton.

Undergarments

 * 3 pairs of socks
 * I'll have 3 pairs of liners, 2 pairs of thicker socks
 * 2 pairs of underwear

Tops

 * taking advantage of quick drying properties to wash, when necessary
 * 1 lightweight hiking shirt
 * 1 lightweight sleeping shirt
 * also wear while washing hiking shirt
 * midweight longsleeved hiking shirt
 * should layer over lightweight shirt
 * one more warmth layer
 * optional? I may not bring one.
 * outer shell
 * mostly for wind protection
 * waterproof would be nice ... mine is only water-resistent

Bottoms

 * 1 pair long underwear (bottoms)
 * 1 pair of hiking pants
 * 1 pair of hiking shorts
 * optionally, use pants/shorts convertibles
 * shorts should double as swim trunks
 * outer shell
 * optional. should be water/wind-proof.

Other

 * wool/warm hat
 * especially for nights
 * cap
 * optional, for sun/bug protection
 * alternative: bandana(s)
 * sunglasses
 * gloves/mittens
 * not sure what I'll bring for these

Shared

 * tent + footprint
 * stove
 * stove fuel
 * research what is available in Cusco/Arequipa.
 * mine takes isobutane
 * cooking pot
 * nylon rope
 * first aid kit
 * duct tape
 * mini tripod
 * cell phone
 * water purification
 * I have something -- I believe it is a water *filter*. will check.
 * insect repellent
 * map
 * take digital pictures so we each have a copy
 * gps
 * mini-caribiners

Optional

 * gaiters
 * notebook/pen
 * candles
 * thermometer
 * binoculars
 * guide book
 * games

Additional stuff to leave behind

 * 1 "nicer" shirt
 * 1 nicer pair of pants (optional)