Full-Grain Leather Upper. Water Resistant Full-Grain Leather Upper. PORON XRD internal metatarsal protection. Completely metal free and airport friendly. Full-Grain Leather Upper. Colours: WHEAT. Sizes: 3, 4, 5, 6, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 12, 13, 14, 15, 16