ASICS Men's Gel-Nimbus 16 Running Shoe (Titanium/Black/Red, 8.5 M US) Man Made Imported Rubber sole Heel measures approximately 1.75" FluidFit multi-directional upper flex FluidRide midsole bounce-back cushioning Rearfoot and forefoot GEL cushioning systems Guidance Line flex grooves Heel Clutching System exoskeletal heel counter