Dr. Martens Kid's Collection - Sinclair Bex (Big Kid). Color Black. On sale for $85.05. MSRP $105.00.. 5.0 out of 5 starsBrand NameDr. Martens Kid's CollectionProduct NameSinclair Bex (Big Kid)ColorBlackPrice$85.05MSRP: $105.00Rating5Rated 5 stars out of 5(1)