Ethylene Vinyl Acetate sole SOFT, SPONGY, AND ELASTIC SOLE: produced with EVA, rubber-like flexibility and softness. Extra soft texture and elastic design complement the natural movement of your feet. A Cushioned Ortholite Foot Bed: Cushion your feet while you run or perform different activities, reduce the stress and strain on your feet, offer ultimate comfort. Unique Bulbous Shape Equipped with Single-layer Designed Curved Collar Sidewalls: Provide perfect wrapping like wearing sock, more light and easier to wear. STYLISH, NEVER-FADE PATTERNS: Designs are made with Inkjet technology, so painted patterns on the shoe exterior always look new. BREATHABLE KNIT MATERIAL: Upper portion of the shoe is made of soft and flexible knit material with a breathable design to reduce odor and promote a comfortable and gentle fit.