MATERIALS: Made with a Water-Resistant nylon upper; A ultra-soft microfleece lining offers comfort and warmth in colder environments SUPPORT & COMFORT: Removable KEEN.CRUSH PU and memory foam footbed for ultimate underfoot comfort TRACTION: Non-marking rubber outsoles leaves no trace or imprints while indoor; This rubber outsole makes so that slipper can be worn both indoors and outdoors FIT & INSOLE: Slip-on design for easy on and go; An elastic gore panel offers support and a more secure fit CARE TIPS & ODOR PREVENTION: KEEN recommends you clean Nylon using mild soap and cold water; To remove excess dirt or spot clean, use a stiff brush or soft cloth; Let shoes air dry away from heat; Includes Eco Anti-Odor