I really wanted to love these, they had good reviews and everything, but they are a disappointment.The springs used in these are very weak.Although they are not made for stretching, good shoe trees have strong springs to straighten the shoe and return it to a better shape after use.This is not accomplished with these. The spring is very weak and does not stretch the shoe enough.I ordered medium, perhaps I should have ordered large?Not sure if I would buy again, though.Also: They smelled great, bSee full review