Full grain leather upper. Dri-Lex® Lining offers superior "sweat" control and will keep feet dry and comfortable in wet or damp conditions. Polyurethane outsole provides lightweight durability. Textile Lining. TPU Shank provides stability with flexibility. Turn shoe construction provides forefoot flexibility. Side zipper for easy on and off. 3/4" Heel Height. 4" Shaft Height. 9" Shaft Circumference.