The Obsidian has an exclusive split-toe design for improved multi-axial function and cornering performance. The running blades offer a tire-grade tread that can grip surfaces from the track to the trail.
Dynamic Carbon Composite
Obsidian offers outstanding energy return through the curved shape and dynamic, waterproof carbon composite material.
The unique STF carbon enhances durability which allows athletes to push their limits with a blade that can keep up.