These shoes feature a high quality insole for maximum comfort and they are 100% waterproof. Easy step in design. Made of a resilient resin that is flexible and not too stiff, they are tough and longwearing. The insoles can be machine washed and air dried. Clean up is easy! Just hose 'em off! Available in a subtle brown pattern in men's sizes 9, 10, 11 and 12. Half sizes should size up. Made in the USA.