Made of breathable, water-resistant stretch neoprene, these lightweight slippers conform to the shape of your feet for supreme comfort in-flight or in your hotel room, and are breathable, so you'll never be too hot or too cold. Durable enough to wear outdoors, they have a cushioned, textured insole that massages your feet as you walk, and they fold into their own mesh pouch for easy packing in your suitcase or carry-on bag.