Introducing newness in Train Puma with Fuse 4.0 Womens featuring a new upper on our existing Fuse 3.0 tooling. The upper is all about improving the third iteration to make our pinnacle strength trainer even better. With Fuse 4.0, we have created a more durable and functional upper with a symmetrical eyestay, no sew construction in high abrasion areas, and a technical and eye-catching 3D PWR PRINT toe protection story that will hold up to any workout routine. We have also added a heel lock down story with a new heel material and silicon print-allowing the heel to stay locked in during your most rigorous sessions. We have also increased the stiffness of the heel counter for improved fit and function. Wherever your strength journey takes you, be sure to bring Fuse 4.0 along for the ride.