COMFORT AND SUPPORT: Lightweight synthetic upper provides comfort, support, and durability. NON-MARKING RUBBER SOLE: Provides excellent traction without leaving marks on indoor surfaces. INDOOR TRAINING OPTIMIZED: Specially designed to maximize your performance and comfort during indoor workouts. FOREVER BETTER: PUMA is always pushing to be better than we were yesterday. FOREVER BETTER is our commitment to reduce our environmental impact and work together towards a sustainable future. The shoe's upper is made with at least 30% recycled material. PUMA BIG KIDS: Recommended for older kids between 8 and 16 years.