SyntheticSynthetic soleMEASUREMENT (tested sz 6; approx.): Heel: 0.25, flat, Runs large, please consider ordering a whole size smaller, Brand new with original or Alrisco shoe box.SOLE / PADDING: Treaded non-skid sole / cushioned foot bed with padded insoleCOMFORTABLE AND SECURE FIT: With the perfect amount of padding, you’ll be able to run around all day with ease in comfort! The construction is designed to give you a secure yet comfortable fit based on the size you choose. Please kindly refer to the size chart prior to selecting.QUALITY AND VALUE: Why spend more on high end seasonal, year-round, occasion styles when you get the same designer quality at discounted and competitive prices? This style can be for just about any outfit with designs to help accentuate your legs and highlight your creative and fashionable look! The treaded outsole will make sure you go about your day and night safely and without fatigue.WORRIED ABOUT OUR ENVORINMENT?: We love animals as much as you do! No animals were hurt during the production of these shoes. They are made with 100% vegan materials from top to sole are all from man made materials. We only work with and carry manufacturers or brands that are very environmentally conscious!