Friendly Shoes - Friendly Flex. Color Castlerock Grey. Low Stock. On sale for $39.57. MSRP $89.95.. 4.0 out of 5 stars7 left in stockBrand NameFriendly ShoesProduct NameFriendly FlexGenderWomen'sColorCastlerock GreyPrice$39.57MSRP: $89.95