You can tell a lot about a fellow by the choice of his slippers. Some guys just want a pair of quick, clog-like slip-ons for plodding around the house. Others need a tougher pair that might serve double duty as gardening shoes. You can find slippers in practically every conceivable material, from suede to wool, and from cotton to synthetic fabrics. And slipper soles are just as varied. Slippers aren’t a one-size-fits-all-situations purchase, and here are three things to think about before you slip up and make the wrong choice.