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. ●SPACIOUS INTERIOR: Loose-toe design prevents pinching and blisters - perfect for all-day use and suitable for long-distance walking, travelling. ● SPAIN-INSPIRED CURVED DESIGN: Edge of the sole imitates handmade design with fashionable 3D depiction of Spain. ●STYLISH, NEVER-FADE PATTERNS: Designs are made with Inkjet technology, so painted patterns on the shoe exterior always look new. ● SIZING TIPS: Loose-toe design offers extra room for your toes; we recommend those with thin feet choose a SMALLER size.