ECCO Men's Cool GTX High-M 100% Leather Imported Synthetic sole Perforated upper made of soft and smooth yak leather Gore-tex surround waterproof construction with increased breathability ensures an optimal climate for your feet and 100% protection from the elements High density insole enhances moisture transportation Direct-injected polyurethane midsole foam and foot-fitted last provide long lasting cushioning and outstanding walking comfort Durable and lightweight tpu outsole provides outstanding flexibility and all day comfort