UltraLIGHT - We got rid of everything you don't need in a shoe: there's no bulk and no metal parts. We use only the most lightweight, comfortable materials. Our patented UltraLIGHT EVA outsole performs so well that we've made it the foundation of all our designs.FLEX & FOLD TECHNOLOGY - All the benefits of a shoe with the feeling of a slipper. Our patented molded outsole combined with our perforated memory-foam insole are the ultimate in cushioning, comfort and breathability for your feet.THE PERFECT FIT - Our wide-fit construction and supple uppers are designed to let your toes to spread out. "let your toes spread out" Oppure "allow your toes to spread out" - This means our shoes are perfect for post-sport recovery or relaxing on the weekends. They're even a foot-healthy choice for work.EASY-ON SYSTEM - All HEYDUDE shoes are designed with our Easy-On System, giving you quick access with the perfect amount of hold and support for your feet. Because we know you have places to be.ERGONOMIC INSOLE - Supports natural body alignment from your feet up. Our standard insole features a memory-foam core for protection against impacts and compression, plus a leather top layer for extra softness against your skin. It's the next best thing to bare feet. Material: Fabric