Ryka - Echo Knit Slip On. Color Quiet Purple Knit Fabric. On sale for $69.99. MSRP $89.99.. Add to favorites. 0 people have favorited this+3Brand NameRykaProduct NameEcho Knit Slip OnGenderWomen'sColorQuiet Purple Knit FabricPrice$69.99MSRP: $89.99Rating