Adidas Terrex Speed Ultra is a light trials shoe that combines a light weight with plenty of comfort. This shoe is perfect when you are going on longer trail rides with included speed play or on hilly intervals. The combination of the two different midsole materials, Boost and Lightstrike, in the Terrex speed Ultra creates a shoe that can be used for several different purposes. Brief about Adidas terrex Speed Ultra Trail running shoes Neutral running style 8 mm drop Good for both regular trail running and ultra running Suitable for both firm and loose surfaces Upper part Although the shoe is light, Adidas has not compromised with the safety of this shoe, where the upper is made with protective elements that protect your feet from roots, stones and anything else that could fly up and hit your feet in the terrain. Midsole The shoe is made with a mix of BOOST and Lightstrike material. BOOST has the ability to absorb and return your energy, while at the same time being incredibly durable and flexible and tested in all kinds of weather. A material that provides a soft and gentle experience, while Lightstrike ensures that you can beat all your records. Outer sole The outer sole of the shoe is made of Continental rubber, which gives the shoe a long durability and at the same time a good grip on different types of surfaces.