Baby Jogger Summit X3 Stroller is an award-winning jogging stroller which offers exceptional performance and maneuverability on any terrain. It weights 28 pounds (12.7 kg) and can handle a maximum weight of 75 pounds (34 kg). This stroller dimensions are 45.1“ x 25.6“ x 40.6“ when unfolded. The regular price for this stroller is 429,99$ but you can find for around 350$ on Amazon and for around 400$ on Ebay . The price seem to be very high, but if we consider quality of this stroller, then it is a very good deal. I like the fact that the stroller is made of high quality materials and has some innovative features like hand brake or mesh window for air circulation. Let’s dive into what the key features are.