A MARIMEKKO X ADIDAS RUNNING BELT MADE IN PART WITH RECYCLED MATERIALS. 82% recycled polyester, 18% elastane single jersey Dimensions: 10 x 3 inch Adjustable waist strap padded phone compartment Zip main compartment with Bring all of your essentials along. This adidas running belt has a padded pocket to hold the electronics that keep you motivated and on pace. The bold print was designed in collaboration with Finland's Marimekko design studio. Made with a series of recycled materials, and at least 60% recycled content, this product represents just one of our solutions to help end plastic waste.