This style fits big, if you're ordering this style for the first time, we suggest to order the next size down. Upper: Lightweight and breathable knitted textile fabric Lining: Textile fabric Lining of insock: Textile fabric Insole: Moulded open-cell foam for superior comfort and support. Removable for easy replacement, if needed Midsole: Lightweight compressed EVA Outsole: TPR Round toe Heel height (approx.): 4 cm Heel type: Flat