Women's Doc Marten Sinclair Milled Nappa Leather Platform Boots Black Shoes Size 6 Lace up. Zip up. Boot up. The Sinclair boot is made from tough-yet-soft Milled Nappa leather. You can wear it with or without its statement front zip for maximum versatility or a customized look. Stacked on a chunky Quad platform sole and marked with yellow welt stitching and a DM’s heel loop. Footbed - Slimmer and a more tapered shape Sole Height - Platform height: 1 1/2 in; Heel height: 1 7/8 in. Milled Nappa - A durable and hardwearing pebbled leather that's soft and supple Excellent used condition, appear to have been worn once.