The Finer Details Upgraded breathable engineered mesh upper ReactX foam midsole surrounds forefoot and heel Air Zoom units for an energized ride. Signature waffle-inspired rubber outsole for traction and flexibility Plush collar tongue and sockliner for a secure and comfortable fit What's new? All-new ReactX foam midsole is 13% more responsive than previous React technology. Bill Bowerman, Nike's original innovator, put the blueprint in place. He inspired the Blueprint collection design details, like the speckled Swoosh logo and sketches of feet on the insole. Nike Mens Air Zoom Pegasus 41 Blueprint