Logging Daily Miles Is A Delight In The Adidas Pureboost 23 Running Shoes. Full-Length Boost Provides The Ultimate Energy Return, And Strategic Cutouts Along The Rubber Outsole Let The Foam Compress And Expand While You Run. The Lightweight Engineered Mesh Upper Is Breathable Where Your Foot Heats Up And Supportive Where It Needs To Be, Resulting In A Running Experience That Is Comfortable Toe To Heel. Made With A Series Of Recycled Materials, This Upper Features At Least 50% Recycled Content. This Product Represents Just One Of Our Solutions To Help End Plastic Waste.