Engineered for perfect ball-to-boot contact, the Skechers SKX 1 Astro Turf Football Boots feature an upper designed for clean connection and better ball control. Experience a comfortable feel with a lightweight EVA insole and Skechers Move Foam™ cushioning for optimal shots. The rubber bottom provides superior grip for starting, stopping, and accelerating in all directions. Upper: synthetic. Lining: synthetic. Sole: rubber.