Lift, run, jump and squat your way to new personal bests in the Reebok Nano X4. The Nano X4 training shoe stands out with its lightweight design and breathability. It offers great stability and support without adding extra weight, allowing you to perform at your best across any training. The combination of stability and cushioning provides added comfort and support for any exercise. Details: Upper: Ultralight woven textile upper crafted from the updated Flexweave® material with TPU heel clip. Midsole: The Lift and Run Chassis system ensures great stability, while the Floatride Energy Foam technology gives you lightweight cushions on your feet. Additionally, a new midfoot ventilation panel improves airflow. Outsole: Nano X4 has full rubber outsole for optimal traction and durability.