SINCLAIR MILLED NAPPA 22564001 BMN Featuring a removable zip and yellow welt stitching, the Dr. Martens Sinclair boot sits on a Quad platform sole. Milled Nappa leather is tough, durable yet supple and soft to the touch from the first use.The Dr. Martens Goodyear welt lines are heat-sealed at 700°C and reinforced with stitching.- Platform height 4 cm- Upper 100% Leather- Lining 60% Leather / 40% Fabric- Sole 100% PVC