Ryka Echo Knit Slip On Sneaker - Women's Shoes : Blue Ink : Step out with ease in the Ryka Echo Knit Slip On Sneaker. ; Slip-on fit with stretch topline for extra flexibility. ; Anatomical insole with extra arch and heel support. ; Round toe silhouette. ; Sticky rubber outsole with tread grooves. ; Soft ribbed knit upper. ; Padded heel collar. ; Front and back pull tabs. ; Imported. Measurements: ; Weight: 8 oz ; Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size. | Ryka Echo Knit Slip On Sneaker Women's Shoes Blue Ink : 5 B - Medium, Synthetic