Replacing some of my smaller gear items that are heavily used, and dropping some pack weight at the same time.
Sawyer Squeeze Filter.
With the stuff I'll actually carry-a small funnel to fill the bag using the cup I boil water in, a Platypus 1L replacing the less durable factory bags(edit: the Platys DO NOT SEAL on the Sawyer's inlet side-trying the new Evernew ones next), and a "water tornado" adapter for filling Platys and backflushing the filter, negating the need for the syringe:
For backpacking, this replaces my ~15yr old PUR Voyageur(now using Katadyn Hiker filters).
The PUR in its stuff sack weighs about 17.5oz. I usually carry a 3.5oz Sea to Summit collapsible bucket with it in case I'm gathering water from a trickle, need to let silty water settle, or whatever other thing makes using the filter a pain. 21oz total vs. 4.73 = -16.27oz
For water crossings and camp shoes, I was using my old Merrell Manistee water shoes that weigh 11oz each.
I replaced them with O'Neill Reactor Reef boots:
They are listed at 6oz/per, but came in at less than that:
22-10.4...another 11.6oz off the pack weight.
With a 12oz frogg toggs ultralight rainsuit(tried one on, waiting to get a different color) halving my raingear's weight, I'm knocking right at 40oz off my pack for ~$120 total. My cold weather bag, and heaviest piece of gear, weighs 40oz!
I swore I'd never be a gram weenie, but this is kind of fun