Seal of the Sutro San Francisco Men’s Black Leather Arthur Boots Size 11.5 - Used Based on so many customers' requests, we made a side zip ankle-high boot. Featured on a sleek toe, Arthur has the ultimate minimalist clean look. The signature Sutro slit in the heel affords comfort while taking a step, making it a perfect alternative to all the lace-up boots. The best feature of this boot is how it fits on the foot and around the ankle. Features Premium 1st grade 15-17 thick natural oiled leather Goodyear Welt construction Vibram rubber sole for traction 1 cm thick leather sole YKK zipper Removable high-density cushion insole Measurements Shaft height: 5 3/8 " Perimeter: 11 1/4 " Heel height: 1" All measurements are based on size 9 Runs a half size big