I just remembered that I used plastic boots on all the California 14ers back in the 90's. (I was doing them all in the winter.) That included the chimney from the U-Notch to North Palisade, the "Milk Bottle" on Starlight, and the summit block on Thunderbolt.
Hey Bob,
What was your method on the Palisade summit blocks in those things? I was glad to have my sticky approach shoes, can't imagine in my single leathers, much less plastics