>>659120When descending or ascending shit like the scree you'll need boots with a good leather outer-sole that will take all the sharp stones without penetrating the boot.
Military boots will not cut the mustard on this kind of stuff. I would know, I've also been in the military and those kinds of boots aren't designed for this kind of hiking.
Going through trails this tears through military style boots. This trek is normally a two one, where you'd stop at the hut in pic related for dinner. I took the option of getting there at around lunch time and carried on down the river to loop back to the Arthurs pass village before sunset.