Baby Jogger Summit X3 Double Stroller is one of the best double stroller on the market which offers exceptional performance and maneuverability on any terrain. It weights 37 pounds (16.7 kg) and can handle a maximum weight of 100 pounds (45.3 kg), 50 pounds (22.6 kg) per seat. This stroller dimensions are 34.25″ x 32.48″ x 15.35″ when folded and it costs 649.99$ on Amazon and also 649.99$ 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.