You must stay under 30kg (66lbs) for bags carried by mule.

Most of my gear was delayed in a lost checked bag.  I was lucky in that I had lots of cold weather clothing items in my carry on pack.

Backpack large

0 degree down sleeping bag

Down bed pad

Trekking Poles

Ice Axe

Double plastic boots

Crampons

1L Vacuum Thermos

1L Water Bottle

Insulated Carrier

Pee bottle

Swiss Army Knife

2 liner trash bags and extra plastic storage bags

Summit pack (carry-on)

Passport, copies, tickets, voucher copy, visa

Earplugs

iPod shuffle and charger

Gaiters

2 wool socks (heavy)

2 wool socks (light)

2 liner socks

2 regular socks

4 Underwear

2 pair light long underwear (tops and bottoms)

Down Parka

Insulated Pants

Softshell Windproof Pants (Windproof fleece pants would have been better)

Glacier Glasses

Winter hat

Balaclava

Glove liners

Lightweight gloves

Insulated Mittens

Headlamp

Cup, Spoon, Collapsible Bowl

Camera, extra batteries (Note : can charge batteries in Plaza de Mulas)

2 short sleeve shirt

1 pair convertible pants

Fleece Jacket (North Face)

Rain Gear jacket/pants

Baseball cap

Trekking Shoes

Toiletry bag, toothbrush, toothpaste, floss, sunblock, lip balm, hand sanitizer, wipes,  vitamins, aqua pure, ½ roll of TP

Some lunch food for summit day ie gels, powerbars, gorp, candy bars, jolly roger, slim jims (should bring more)

Hot Apple Cider packets with real apple

Gatorade

Should also bring :

Ski Goggles

Neck Gaiter

Camp towel

Alternatives, extra fleece, fleece socks

Freeze Dried Meals