Color: Dark Heather Grey Sole MaterialThermoplastic RubbersOuter MaterialSuedeClosure TypePull-OnWater Resistance LevelNot Water ResistantQUALITY MATERIALS: Microwool and microsuede uppers pair with natural wool blend lining to create comfortable and durable slippers.QUALITY OUTSOLE: Alpine by Dearfoams features a new versatile and lightweight Thermalplastic Rubber outsole that is durable and skid resistant for both indoors and outdoors.ECO-FRIENDLY TECHNOLOGY: This outsole is sustainably produced using eco-friendly Bloom technology and a thermoplastic rubber blend. Bloom outsoles are made from harvested algae, which is a highly renewable resource and fuels the global clean up effort.REMOVABLE FOOTBED: Removable, shock absorbing, fully contoured insole with arch support for the ultimate comfort all day long. We are excited to offer this "souped-up" version of a slipper that takes foot and planet earth health very seriously.MACHINE WASHABLE: Up-keep is a breeze with these trendy slippers - toss in the washing machine to keep your new favorite slippers fresh and clean!