PUMA Women's Biofly WMNS-W 100% Synthetic Leather Imported Rubber sole Microfiber synthetic leather for lightweight durability and comfort Textile lining for all day comfort and breathability Molded EVA sockliner for long-lasting comfort and support EverFoam cushioning at the heel for a comfortable fit SmartQuill traction technology provides directional grip elements that enhance ground contact for improved stability and traction