summit™ X3 NEW SUSTAINABLE RELEASE - Special discount from the brand $100 -Lace up your running shoes and get moving with the exceptional performance of this jogging stroller -The unique, hand-operated deceleration brake and handlebar tether strap keep you in control whether you need to head downhill or pick up the pace -Air-filled rubber tires and swivel lock on the handlebar make it easy to quickly switch between jogging and strolling modes -Signature one-hand compact fold makes it simple to store Shop with the longest standing retailer of Baby Jogger!