-Clothing stuff sack. Nix. Save 0.3oz
-You have 3.5L of water capacity. In the Rockies, I would argue for no more than 2L.
- You have a lot of stuff sacks (clothing, foot scare, small item, water treatment etc) Can you not combine?
-Nix the 1x darn tough socks
-Nix bugnet-- is it needed later summer at altitude?
-Nix altimeter-- compass is far lighter
Sleeping is a luxury for you.
-Trade the pad
and save 1lb
-nix fuel cup and just mark the fuel bottle
-nix cell phone
-nix pack towel (use bandana)
-nix trowel (use rock)