Rated to 30-35 degrees. To firmly attach sleeping bag to the pack or frame and hang pack at night. Spray with Fabric Guard if not waterproofed. High ankle protection recommended. No K-Mart specials.
Smaller bottles are easy to pack and balance.
We will have a water purifier. Your tent partner will not like it. Try to be reasonable. Clothes can be heavy when wet. Wool or Polartec sweater.