The Tessa is a snug ankle boot with flexible sweater material that accommodates your movements to maximize comfort. The side-zip provides easy on/off wear making it great for casual Fall days. The Aetrex Orthotic System is Built-In to every pair: Arch support helps to stabilize and align feet Arch support helps to relieve common foot pain & plantar fasciitis The memory foam foot-bed provides cushioning & comfort Upper Material: Nubuck with cozy sweater detailing Midsole Material: Lightweight cork and rubber Color: Black Size Eu 38, US 7.5-8 Excellent condition with basically no wear Thanks for looking!