Champion Sports offers a wide variety of premium indoor and outdoor soccer balls that will fit the requirements of your league, age group and skill level. Use these balls as game balls or simply to practice like the pros. Designed for game play, practice, or recreation, the Champion Sports Extreme Series Soccer Ball is an all weather ball featuring patented machine stitched technology. This ball has a soft touch composite TPU cover, a butyl bladder for better air retention, and comes in eight vivid colors.· Patented machine stitched technology· Soft touch composite PU cover· Butyl bladder for better air retention· Size 4· Royal Blue