James,,, just a suggestion,, buy your waders new,, They are rubber and rot, When I took a trip to Alaska, someone gave me a pair, they looked fine,, till I got in the water, leaked like a sieve, packed them all the way there and had to end up buying new anyway.
Where are you talking about when you says Grand,, Grand Canyon, Grand Tetons or Grand Staircase-Escalante? I have climbed none so can't help you. One place that I would love to climb is the hill above Grand Prismatic Spring to get a WA shot of the spring. Have a great trip. DAve