Run a little small, usually size 11 and bought 11.5 in these Maximum cushioning provides elevated comfort for everyday runs. Experience a soft, rocker-shaped platform made with new ReactX foam underfoot and an ultra-comfortable collar and tongue for a snug feel. Plus, a water-resistant membrane was added to this version to help keep you dry. Key Features Updated Flyknit upper and a water-resistant membrane help keep you dry New ReactX foam in the midsole for extra cushioning Waffle outsole for durable traction on the roads Ultra-comfortable collar and tongue for a soft, snug fit New ReactX cushioning for even more comfort and a revamped upper and wider toe box. Weight: Approx. 354g/ 12.5oz (Men's US 10) Heel-to-toe drop: 9mm