Crocs Men's Tummler Work Shoe 100% synthetic Imported Synthetic sole Shaft measures approximately 2.63" from arch Combine classic loafer styling with the slip resistance you need Oiled leather upper features side elastic panels that stretch for a comfortable fit and easy on / off. Brushed polyfleece sockliner adds softness and warmth underfoot. Croslite insole and midsole offer lightweight cushioning. Crocs Lock tread provides the slip resistance you need at work. Croslite material is also odor-resistant, helping keep feet fresh.