The NIVIA Marathon shoe is built to keep you comfortable. The low collar ankle construction ensures a perfect fit, and die-cut The NR EVA comfort sock liner ensures optimal comfort, and the Flexipro technology rubber on the outsole provides traction to keep you on your feet. Shoes let you play fast and fluidly. It always proves to be strong and sturdy. It is highly durable and ensures a good grip. Mesh upper for breathability with PVC synthetic leather. The upper is breathable mesh to keep your feet cool and dry. It creates a better, healthier environment for your feet to thrive in. The lacing system works to deliver an anatomically correct fit. Two layers of high-density foam line the collar and mold to the athlete's foot to create a personalized heel fit, adding soft support and custom comfort. standard adjustable nylon lace. Die cut The N.R E.VA Sockliner exists as an extra layer of plush, step-in comfort. Clothes Lightweight insoles provide more comfort and grip. The Nivia outsole is designed to provide all-around support for quick and smooth footwork. Rubber technology in the sole makes it flexible for a responsive game. The outsole provides perfect grip, flexibility, and durability.