Ryka Women's black Echo Knit Slip-on sneakers. They feature a "made for women fit" with a narrower heel, roomier toe, and softer foot cushioning designed for a woman's unique muscle movement and build. They have a soft ribbed knit upper for flexibility & an anatomical insole with extra arch & heel support. Padded heel collar. RE-ZORB LITE technology for lightweight impact protection & shock absorption. The sole has tread grooves He sticky rubber for traction. Slip on design with front & back pull tabs for easy on & off. Excellent preloved condition. Size 8.5 Medium