From Stride Rite, the Boys' Cosmic Made2Play Washable Light Up Sneakers feature: Machine washable lighted sneaker with leather and mesh upper  Machine washable leather and mesh for easy cleaning Alternative closure for easy on/off Adjustable hook & loop closure with gore faux laces Biome lining: breathable technology with antimicrobial treatment reduces odor Ortholite® memory foam for enhanced comfort Lightweight EVA midsole with rubber outsole for ultimate traction and durability rubber sole Light up outsole Imported.