Sole material Rubber Shaft height Knee High Shaft circumference 14 Outer material Suede About this item High shaft boot done in suede and strech crepe, full outside zipper, memory foam sock lining and flexible rubber sole They provide a relaxed look without losing the sophistication you need. The high-quality craftsmanship and innovative materials are flexible and durable for the ultimate reliability. Description Designed in an elongated silhouette with a softly rounded toe, the ISLA boot features a calf suede and stretch crepe upper with a padded memory foam insole for a comfortable fit. It's fashioned with a polished zip closure and a durable rubber outsole. This minimal design rests on a low stacked heel, keeping it chic yet casual.