HELP!! Small feet, can't find boots!!! in The Gear Critic Posted December 25, 2019 My wife found her single mountaineering boots, 6.5, on Sierra Trading Post, ordered several sizes to find the right one and sent the rest back for free. Might try that option for doubles. I also might look at back country ski boots. The new ones climb just as well as old plastics. Might have better luck finding small sizes locally as well since the bc ski market is bigger.