The MAGNIFY NITRO has the thickest piece of Nitro in the entire line. Simply put, you get MORE OF THE GOOD STUFF! Soft and comfortable, this model is ideal for long comfort. ? ?A premium engineered mesh upper combines with a 3D molded heel to hug your foot in all the right places while remaining breathable. Even with the enhanced amount of cushioning from the premium NITRO foam, this shoe remains lightweight, including a PROFOAMLITE layer on bottom. PUMAGRIP gives good grip multiple surfaces. ? The MAGNIFY NITRO is the perfect choice for your next ?run of any distance where comfort is the top priority.