Get ready to tackle your toughest obstacles on the road or the field with the Nike Lunar Caldra. This training shoe gives men the advantage of lightness, but also durability with a more aggressive outsole to dig in and get work done. Guys can sprint and cut down the field with natural speed and agile movements. High-intensity training will feel effortless with this responsive and technical training shoe.Upper: Streamlined fit for a natural feel. Lace-up front provides an adjustable fit. Mesh forefoot provides breathability. Synthetic overlays deliver lightweight support.Midsole: Lunarlon in the heel offers shock absorption and responsive cushioning.Outsole: High-grip rubber on the outsole provides maximum traction on indoor and outdoor surfaces.