Original. Versatile. Comfortable. Easy on, easy off! Just like the adult Classic, the kids' version offers amazing comfort and support, thanks to the light, durable Croslite material and molded design. Uppers: 100% Thermoplastic (EVA). Lining: 100% Thermoplastic (EVA). Sole: 100% Thermoplastic (EVA). Fastening: Slip On. Fitting: Standard.