Here’s a list of what I carried on the Camino. I’ll also include the boots and clothes I wore. My total weight was about 9 kg, my backpack and contents was about 8 kg.
Backpack: Mountain Equipment Coop brand http://www.mec.ca/product/5024-836/mec-aria-40-daypack-womens/?f=10&q=aria It weighed 1.3 kg
Boots: Salomon X‑Ultra Mid GTX Light Trail Shoes (Women’s) My boots weighed 770 grams
Sleeping bag: Lafuma 40 degree bag http://www.shoplafuma.com/product/37101 It weighed 1.25 kg
treated sheet and pillowcase
one pair pants, zipoff
2 pair shorts
3 t shirts
3 underwear, 2 socks, Helly Hansen light thermal tights
one rainjacket, one rainpants
Keen Whisper sandals for after walking
first aid kit, including compeed, tape, sissors, traumeel, vaseline, sunscreen, voltaren, elastic knee support, icepack, elastic tensor bandage, tiger balm, aleve
lightweight towel, toothbrush, toothpaste, tampons, medications, vitamin b12 pills
Brierly guidebook, St James Confraternity guidebook
iPad, iPad charger, iPod, iPod charger, adapter, flashlight
What would I change to reduce weight? I would carry a lighter backpack, something like this http://www.golite.com/Jam-35L-Pack-Unisex-P46811.aspx which weighs 760 grams. I would carry just a treated pillowcase. I would only carry two shirts and one pants and one shorts. I would wear lighter trail shoes, like Siren Sport Light Trail Shoes, 595 grams. I would use something much lighter than Keen Whisper sandals (576 grams) for post walking.