The Retro Southshore Flip Flop wraps a soft nylon toe post in waterproof full-grain leather that keeps shaping itself to the foot with every wear. A Wet Grip Rubber(R) outsole backs that comfort up with real traction, whether the ground underfoot is a tide pool or a sidewalk. What Our Gearhead(R) Experts Are Saying:"The first few days felt like any new sandal, then somewhere around week two it stopped feeling broken in and started feeling custom. I notice it most on long walks now, when nothing rubs, and nothing slips."