NIKE Air Structure Triax 10 + Running Shoe - Mens - Wht/Org - Size 11.5 UPPER: Very breathable sandwich mesh with supportive overlays ~ Brand new last for better fit MIDSOLE: Air unit in the heel ~ Zoom Air in the forefoot ~ New soft Rideliner PU footbed PU Crash Pad for reduced pronation values ~ Dual density OUTSOLE: New Nike Fitsole Sockliner ~ EVA Strobel ~ Duralon in the forefoot and BRS1000 in the heel PROFILE: For the runner that seeks high end comfort and cushioning