Men’s Size 9 Nike Invincible III Electric Road Running Shoes. Only Worn Once. In Perfect Condition. Original Box unavailable. With maximum cushioning to support every mile, the Invincible 3 gives you our highest level of comfort underfoot to help you stay on your feet today, tomorrow and beyond. Designed to help keep you on the run, it’s super supportive and bouncy, so that you can propel down your preferred path and come back for your next run feeling ready and reinvigorated.