The Dynafit Ultra 100 are neutral trail shoes. The Ultra 100 is Dynafit's trail shoe that provides the most cushioning. The model is specially designed for running ultra long distances. The distance of an ultra run starts at 50 kilometers, but is often around 100 kilometers or more. Then you want trail shoes that continuously provide targeted cushioning during those distances and time. The design of both the sole and the upper is aimed at providing long-lasting comfort. The upper encloses the feet without pinching and gives space when the feet need it. When walking very long distances, the feet expand slightly. The upper moves with the feet without sacrificing support. The Dynafit Ultra 100 has an Invisible Lacing system. The laces are not visible, thanks to a thin layer of fabric. This layer keeps out dust, sand and stones. It also prevents laces from getting caught on rocks or branches. The midsole absorbs the impact and protects the feet from rocks and stones when running trails. The POMOCA outsole contributes to the targeted cushioning, but also provides a lot of grip. The good grip is created by the studs in the outsole. Because these are in all directions, the Ultra 100 provides grip in all directions. Whether you're walking up or down a mountain or have to make a sharp turn, with the Ultra 100 you will experience a confident and stable running feeling.