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>4260m
>snow
>running shoes/basketball shoes
>cotton pants/jeans
I mean it doesn't look particularly difficult to ascent, but it's still absolutely silly.
You'll be warm right up to when you stop moving at which point you will be (and stay) cold as fuck. Oh and your feet will be cold all the time.
In how many days do you plan to get to the summit?
Also, I don't see a sleeping MAT on your list. Don't tell me you plan on going without.