Sporty Design Laceup Recycled PET And Nubuck Round Tip Low And Padded Ankle EVA Sole For Maximum Lightness XL EXTRALIGHT® Technology For Maximum Lightness And Cushioning Ortho Lite® Insole For Optimal Cushioning Recycled PET Lining GORETEX SURROUND® Technology CRCLR Footwear Is A Sporty, Technologically Advanced Trainer With A Unique Design Inspired By Bicycle Tires, It Combines Technical Competence And Urban Aesthetics.