one obvious little trick which im sure ryan knows  … but for some others here …
is to use waterproof sacks and stuff em with snow as an ice pack … a wider mouth bottle will also work in a pinch but isnt as good as there isnt as much contact area
or if theres no snow, cold lake water in a platy will work as well
on talus and boulders a light pair of gloves is not unreasonable either … on some rock such as limestone it can sometimes be ridiculously easy to cut yourself by just gripping the rock a bit hard when scrambling
thin nitrile work gloves (with breathable back) are cheap and give decent grip
a lot of folks also prefer a mid/high top shoe/boot for scrambling for that reason as well … to prevent sharp rocks/talus from cutting or bruising the foot …
;)
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