Synthetic sole ? Main material : Polyester Outer layer material; comfortable and breathable hollow vamp,Clogs style of upper guarantee a good air permeability and fast drying performance.EVA Heel type: Flat bottom all shoes use EVA material as EVA material features high elasticity, light weight! ? Anti-slip Outsole：Professional anti slip outsole provides excellent traction and stability for various surfaces and terrains,One-piece design EVA material soft wear-resistant light weight More comfortable,Lightweight and soft sole line design - Makes soles softer and more non-slip when walking ? Comfortable to wear : massage granules - soft and non-slip more comfortable and beneficial to foot health,Unique bump design, feel that you are enjoying the massage. ? Ultra-lightweight & Portable : This shoe weight from 120-150g which convenient for you to take it on your bag,very convenient to carry ? Multiifunction Using : Suitable for outdoor activities or house uses, beach entertainment, shower, pool, gym, hotels or just have a walk with dog etc. You can take this shoes to to garden or yard or nurse working,or just enjoy the sport activities like the swim or water class.