The polyurethane upper wipes clean with soap and water- perforations add breathability and offer a whimsical touch. Perfect for days when you're on your feet for extended periods of time.The polyurethane sole is slip-resistant, oil-resistant non-marking, and shock absorbent.The removable Klogs Komfort footbed provides soft cushioning and excellent arch support that's latex-free, antimicrobial, odor-resistant, and lightweight. Unisex sizing. Women order normal size, men order 1 WHOLE SIZE LARGER and order WIDE. If you wear a half size, please order 1.5 SIZE LARGER in WIDE.