Ryka Women's Echo Knit Slip On Sneakers Navy Blue 9 Excellent pre-owned condition. Designed with a woman's unique foot shape in mind, featuring a narrower heel and roomier toe box. The soft ribbed knit upper provides comfort, and there is a padded heel collar for enhanced cushioning. It incorporates an Anatomical Precise-Return footbed and a lightweight RE-ZORB® LITE EVA midsole for shock absorption and support. The sticky rubber outsole has tread grooves, making it suitable for casual walking or everyday activities