NIKE Men's Lunarglide+ 3 Running Sneaker *NEW MIDFOOT STRAP* - This is the main difference between this shoe and the LunarGlide 2. New Flywire Technology - ultra lightweight and very strong this new fabric gives great sup LunarLite platform - at midsole for adaptive cushioning with gender-specific construction Rubber outsole - with flex-grooves for increased flexibility and traction when running. NIKE+: This shoe accepts the revolutionary new Nike+ sensor. As seen on TV - this shoe is