Fizik Terra Powerstrap X4 37.5 Anthracite/GrapeThe Fizik Terra Powerstrap X4 is a Gravel-Focused, Efficient, Quick Closure mountain shoe. The outsole was made with a combination of rubber and blended nylon in order to create a grip that would easily bite into loose gravel like it were a hard-packed trail. The Velcro closure system wraps around the entirety of the shoe to provide a secure yet comfortable fit. The X4 is available in Black/Black, Anthracite/Grape and Mud/Caramel.F2676375
