Joma indoor shoes with a special VTS ventilation system Joma Liga 5 Orange Fluor Indoor indoor shoes are perfect for any indoor sport. The shoes have a durable sole that extends the life of the model. On the sole you will find an ergonomically placed flex system that offers a better transition from heel to toe with every step. The upper material is very durable and strong. It is made of injected rubber, which means that it does not have any seams or other rigid materials. It is light, comfortable and highly flexible, it adapts beautifully to the leg. Its thickness varies depending on the segment and its load. The VTS ventilation system ensures excellent breathability, so your feet stay dry and comfortable. Thermoformed EVA insole cushions foot shocks when walking and running. Material: EVA, synthetics, textile, rubber, phylon