Dr. Martens | Docs SINCLAIR Milled Nappa Leather Platform Boots in Black Lace up. Zip up. 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 an AirWair heel loop. Platform height: 1 1/2 in Heel height: 1 7/8 in Material: Milled Nappa - A durable pebbled leather that's soft and supple. Size: US Ladies 7; EU 38 Excellent Used Condition! Beautifully broken in. Only wear is at the soles. See pics. Cover shot was brightened to show detail. The rest of the photos are unedited.