4 activities – designed to excel when you bike, jog, stroll, and ski (Jogging and Ski Kits sold separately). The included rain cover and sun canopy keep your child dry and shields them from the sun The modular seating ability means that you can choose to have one kid sitting in the middle, or two kids on either side of the trailer. Convenient one-hand recline and fully padded seats for on the go naps The redesigned FlipWing-system allows for even easier switching between biking and strolling and back, now with the possibility to flip the wheels up and down while the trailer is attached to the bike The new hitch arm allows the user to easily and securely attach and detach the trailer to the bike using only one hand Adjustable suspension to allow you to customise the comfort of the ride as your child grows or if you transport heavier items in the trailer