The upper of the shoes is made with at least 20% recycled materials and the bottom is made with at least 10% recycled materials (BM: Recycled Content (Upper 20% & Bottom 10%) - FTW). Elastic double strap on vamp and heel with big PUMA branding to keep the Wired DNA. SLIPTECH technology on the heel counter, so you can slip the shoes on and off without the use of your hands and Hotmelt overlay on the vamp to improve durability and offer added toe protection with Softride technology in the midsole for all-day comfort and cushioning.