Rubber soleStrdie Rite kids Mary Jane ShoeBuilt For Comfort: Our light-up shoes for boys feature dual-density outsoles for lightweight flexibility and ultimate comfort; Memory-foam footbeds provide comfy underfoot cushioningConvenient Design: Equipped with oversized openings, our kid and toddler shoes are exceptionally easy to put on and take offEasy To Clean: Our kids’ shoes include linings that reduce odor and are completely machine washable