CLASSIC REEBOK DESIGN - The legendary Nano X4 gym shoes are back with all the DNA of the original plus modern tech for optimal performance in your functional fitness workouts. These are one of our best selling mens sneakers. HIGH PERFORMANCE - These mens training shoes have a Floatride Energy midsole for lightweight cushioning and a Flexweave upper that delivers a flexible, breathable feel. These athletic sneakers enhance any workout from weightlifting to walking. MULTI PURPOSE - Everything you need in cross training and running shoes for men rolled into one, the Nano X4 features a breathable engineered mesh upper, an EVA midsole, and a durable rubber sole for traction on variable surfaces. MADE FOR MOVEMENT - A redesigned TPU heel clip eliminates weight without sacrificing stability and performance, while ROPEPRO technology helps you move through your WOD with ease. A plush collar keeps the foot locked down and eliminates distractions. BUILT IN ARCH SUPPORT - A removable insole with arch support and an athletic midsole drop keep feet secure and fully supported no matter how or where you work out.