ACORN Women's Deena Ballerina Flat 100% Fabric Synthetic sole Heel measures approximately 0.25" Luxurious italian wool-blend felted heather uppers Upper lined in soft microfleece that wicks moisture Footbed lined with soft sherpa fleece Acorn high density comfort foam heel to toe with raised eva heel wedge for stability and support Original total living comfort outsole for indoor/outdoor wear hand wash cold and air dry