The Comfy Pro is a versatile slip resistan slip-on that is perfect for work or every day. This style features a water resistant SEBS upper & sole making it strong, lightweight, flexible, durable and heat/UV resistant. The heel has a lip to hold the foot for functionality. The Comfy Pro is machine washable & autoclave compatible so it is very easy to clean & sterilize! Machine Washable 60 C/140 F, this temperature is above the recommended FDA standard to kill germs. Autoclave Sterilization 135 C/275 F, 5 mins. ASTM F1677 tested MADE IN PORTUGAL VEGAN LATEX FREE