Men's REEBOK WORK Nano X1 Adventure Tactical 6" Work Boots The Nano X1 Adventure Tactical Men's 6" Boot with side zipper takes you out of your training routine and elevates your day. Floatride Energy Foam in the forefoot gives you a lightweight feel and responsive ride. Raised lugs for better traction on any surface and built with a rugged sole, designed to help you push your sweat to new extremes. It's all the intensity you love in a shoe that is made for the most adventurous of training days.