Hartwell | The Slip-On LoaferON IN SECONDS. COMFORTABLE FOR THE ENTIRE DAY THAT FOLLOWS. The Hartwell is a slip on loafer that takes the sensible view that getting in and out of a shoe should not be a project. There are no laces to deal with, no buckles to adjust, and the whole thing is on and ready before the thought has quite finished forming. It is light on the foot in a way that very few shoes in this style manage, and the grip underfoot is confident across most surfaces