Clarks Women's Polar Bungee Slip-On 100% Leather and synthetic Synthetic sole Breathable leather upper feels soft against your skin. Flex Fit neoprene / spandex upper lining stretches for great-fitting comfort. Shock-absorbing Soleassage insole delivers a massaging effect as you walk. Leather upper, neoprene / spandex upper lining, synthetic sockliner, polyurethane insole... EVA midsole, rubber outsole. Care: Buff with leather cleaner or polish. Wipe off with dry cloth.