- SMFK Gingerbread desert lace-up casual shoes are a versatile minimalist style national trend, with cross flowers on the toe, brass shoelaces and distressed hardware. The body of the military boots is made of hand-aged suede washed cowhide. It is super nice ~ it is bound to be great. Thermal fabric: Original cow suede Lining: Sheepskin Bottom thickness: about 5.5cm Sole: Original molded cross-shaped rubber outsole Size: 35-39 (custom-made 40 non-refundable),