Dr. Martens Kid's Collection - Bex Heart P-O Boot Youth (Big Kid). Color Black. On sale for $66.00. MSRP $110.00.. Add to favorites. 0 people have favorited this+2 colors/patternsBrand NameDr. Martens Kid's CollectionProduct NameBex Heart P-O Boot Youth (Big Kid)ColorBlackPrice$66.00MSRP: $110.00Rating