Dr. Martens Kid's Collection - Sinclair Bex (Little Kid/Big Kid). Color Black. On sale for $36.90. MSRP $90.00.. 5.0 out of 5 starsBrand NameDr. Martens Kid's CollectionProduct NameSinclair Bex (Little Kid/Big Kid)ColorBlackPrice$36.90MSRP: $90.00