SKECHERS Performance - Go Walk Flex Serena Hands Free Slip-Ins. Color Gray. On sale for $67.50. MSRP $75.00.. 5.0 out of 5 starsBrand NameSKECHERS PerformanceProduct NameGo Walk Flex Serena Hands Free Slip-InsGenderWomen'sColorGrayPrice$67.50MSRP: $75.00