If you want to try a pair of amazing carbon running shoes without committing to the exorbitant price, then these are for you! They have about 80 miles on them and have a little dirt on the back lip so pricing to sell. The Saucony Endorphin Pro is a carbon fiber racing shoe designed to make running at top speed feel easier so you can get to the finish line faster! Features: SPEEDROLL Technology propels you forward with the feeling of continuous momentum, so you can run faster, not harder. Signature S-curve carbon fiber plate makes for powerful transitions and provides maximum SPEEDROLL effect. PWRRUN PB, a PEBA-based superfoam, is our lightest, most springy performance cushioning ever. FORMFIT hugs the foot in 3D comfort and delivers our most personalized fit yet. A single-layer engineered mesh upper keeps the shoe light and breathable. XT-900 outsole with reinforced high-abrasion zones provides optimal traction and durability.