Version II of the model for the world of ultra-competitions and long-distance training, featuring exceptional cushioning thanks to the innovative Infi nitoo™ technology with high energy return. New upper materials with an eco-friendly component and new constructions for the heel and tongue provide grip, wrapping, and breathability while significantly reducing weight. Use of recycled materials for the new toe and tongue mesh. New tongue construction that maximizes breathability and reduces weight. Completely redesigned heel with a new construction and new materials for increased comfort and support. Additional lacing transition in the toe area for better volume adjustment. Comfortable fit and wide design for long-distance use. Innovative sole/outsole unit made of double-compressed EVA - one for cushioning and one for stability. The unit is equipped with Infi nitoo™ technology, featuring two internal shock-absorbing polyurethane pads with high energy return. Side net mesh for maximum ventilation and a pleasant climate.