Keep a spring in your step with Skyla, featuring energy-returning Cushion+ technology and lightly padded insoles for comfort. These trainers are easy to put on and take off thanks to a handy zip fastening. Metallic heel detailing adds a stylish touch. Upper: Suede. Lining: Textile-PU. Sole: PU. Fastening: Slip On, Zip. Fitting: Standard.