These trainers are the perfect choice fromClarks, the Men's Tri Solar Nubuck Trainers. These trainers are available in olive.These trainers are designed with athletics in mind. The upper is made from Nubuck, which is a special material perfect for these trainers as it allows plenty of movement while keeping your feet secure. This is also helped by the lacing design, which will work to keep your feet exactly where they should be. The sole is made from a mix of materials to support the Trigenic design. This design works to mimic the shape and natural movement of the foot, allowing the wearer to be as comfortable as possible. Plus, the three points of movement allow the wearer to run in a way that is unimpeded by the shoe.Upper: Nubuck. Sole: Synthetic.