The Joma R.R 1100 Spikes 25 shoes are athletics spike shoes. The new mixed speed model R-1100 is developed for track. Perfect for the best sprinters in events from 100 to 400 metres. With them, young talents like Rodrigo Fito have been able to "fly" thanks to the incorporation of reactive technology, such as the carbon fibre plate.Upper made of breathable mesh, very light and flexible. The VTS perforation system allows for proper sweat ventilation and improves air flow inside the shoes. To achieve a perfect fit, it incorporates the JOMA SPORTECH heat-sealed system in strategic areas, as well as an internal support structure and ergonomic collar.Midsole made with the new LIGHT REACTIVE technology, manufactured with special injected Pebax to reduce weight. The result is an even lighter and more reactive shoe, which absorbs impacts and provides excellent energy return. It includes an internal CARBON PLATE carbon fibre plate, which improves running efficiency.