Serious runners, get ready to experience a new level of responsiveness with the Endurance 2. Our innovative design features a full Px Foam midsole that's optimized for explosive toe off and feather-soft landings, enabling a more efficient stride. With its sleek and aerodynamic design, this shoe delivers exceptional speed and agility, enabling you to achieve your goals faster than ever before. Whether you're training for a marathon or pushing your limits on speed work outs, the Endurance Version 2 is the ultimate choice for elite athletes seeking the best in performance footwear. Designed to take your performance to new heights, this shoe boasts enhanced breathability and improved speed for even greater comfort and efficiency. The new speedier engineered mesh upper works seamlessly with the foot to provide unparalleled comfort and support with every nimble step. With its vibrant performance and streamlined design, this shoe delivers the perfect combination of speed and energy return.