It's right up there with the priceiest Running shoes you can buy but if you Want all out speed the Nike Alpha fly Nexus 2 is still one of the best race Shoes on the shelves particularly for Half marathons and marathons it combines Race hugging atom knit booty fit uppers With a 40 mil turbo stack of Zoom X foam An eight mil drop and a foot long carbon Plate there are also Zoom air pods in The midfoot for a little bit of Stability and toe off and that creates a Winning mix that's Punchy and Lively and The excels are chasing fast times over Most distances there's a thin rubber Outsole that boosts grip and durability Overall this is a heavier bulkier and Pricier shooting with overflow three but Arguably it gives you a little bit extra Protection when you're running