Dr. Scholl's - Rate Zip. Color Black Microfiber Perf. On sale for $65.70. MSRP $90.00.. 4.3 out of 5 stars+2Brand NameDr. Scholl'sProduct NameRate ZipColorBlack Microfiber PerfPrice$65.70MSRP: $90.00Rating4Rated 4 stars out of 5(96)