Auroris Black UNSTRUCTURED The Blue Footbed is therefore The Blue Footbed is therefore ideal for anyone who would like to enjoy the unique comfort of BIRKENSTOCK in enclosed shoes made by other brands too these boots are versatile enough for any occasion Engineered with a TevaRAPID PROOF waterproof bootie this winterized boot enlists a MAX COMF insole for step in comfort and a White Spider Rubber sole to outlast the slushiest of days Designed to keep you toasty warm when the weather takes a turn the Auroris explores chilly city commutes and snowy cabin hangs alike with 3M Thinsulate Insulation and mix of durable leather suede and ripstop materials