The Biggie Casual Sport Shoe Running Shoes For Men (Grey) Are Designed To Help You Run Faster, Further, And More Comfortably. They Are Made With A Lightweight And Breathable Synthetic Foam Upper That Keeps Your Feet Cool And Dry, Even On Long Runs. The Shoes Also Have A Supportive Cushioning System That Absorbs Impact And Protects Your Joints. The Durable Construction Of The Shoes Can Withstand The Wear And Tear Of Regular Running.