The second iteration of the fierce Fuse franchise incorporates insights from athletes and the running community for improved performance. Built upon the foundational principles of the original design, which include fit, stability and support, this premium pair is engineered to increase output. Featuring a no-sew construction for enhanced durability, Pumagrip rubber for traction, PumaFlex metatarsal grooves for foot splay and a heel clip for minimising unwanted movement, these track-ready trainers take your progress up a notch.