Cognac Faux Leather Side Zipper Buckle Strap Back Lace Over The Knee Platform Boots. This over the knee boot features a platform look, faux leather material, bottom lace accent, side zipper, buckle strap, Length of boot measures about 28 inches, Platform measures about .5 inches, Heel measures about 5 inches. So buy this Over The Knee Boots. Just $9.99 for Cognac Faux Leather Side Zipper Buckle Strap Back Lace Over The Knee Platform Boots.