Mephisto David GT oxford. A paragon of classic, this men's lace-up dress shoe has a premium leather upper, lined in leather to draw moisture away from the foot. Air-Jet Circulation System, Approx 1 1/4'' heel height. Blind eyelets, cushioned footbed, four-eye lace closure. This style has GORE-TEX lining and is guaranteed waterproof. Material: Leather, Synthetic.