Dr. Martens Kid's Collection - MJ Bex (Little Kid/Big Kid). Color Black. On sale for $55.65. MSRP $80.00.. Add to favorites. 0 people have favorited this+2Brand NameDr. Martens Kid's CollectionProduct NameMJ Bex (Little Kid/Big Kid)ColorBlackPrice$55.65MSRP: $80.00Rating