Giesswein Women's Bella Charcoal 40 European Removable cork-latex footbed with suede lining molds to your unique foot shape. High-level arch support. (Medial and Metatarsal.) Moisture-wicking, breathable, 100% natural boiled wool upper naturally regulates body tempature. Waterproof, treaded rubber outsole (outdoor/indoor use) is slip-resitant and non-marking. Accomodates third-party orthotics.