Built for performance, the all-terrain RIDGE jogger goes more places, at all paces. Smart, adjustable features keep pusher and passenger comfortable from road to trail to off the beaten path. Refined yet durable, RIDGE offers new horizons to explore. Features: Disc hand brake system Provides greater performance and responsiveness to slow you down while running or walking downhill ; Advanced responsive suspension with a patented two-stage system Dual springs engineered for maximum absorption no matter the child's weight or terrain ; Never flat tires Soft, foam-filled tires mean you can take off and leave the air pump home; Large 12" and 16" wheels with a deep tread provide a smooth ride over any terrain; The swivel-locking front wheel allows you to go to from stroll to run with the push of a button; The adjustable tracker allows you to fine tune the wheel alignment to keep going in the right direction ; One-handed fold with easy push and twist handle (located under foot flap) stands when folded; Compatible from birth with approved accessories: UPPAbaby MESA infant car seat, select competitor car seats, and the UPPAbaby Bassinet (require adapters sold separately) ; Large basket with included cover holds up to 20 lbs; Reflective accents on the basket and frame for safe strolling; Adjustable handlebar with four positions for a comfortable push for all heights; No rethread harness for children 3 months to 55 lbs Webbing recline for easy adjustment; Deep, comfortable seat with lumbar support ; Full coverage, extendable canopy with zipper pocket for phone storage; Removable and washable fabrics; Recommended Age/Weight: seat 3 months to 55 lbs; Suitable from birth with approved accessories (sold separately); Suitable for running/jogging when child is able to hold their head up unassisted.; Specifications: folded 18.5" L x 26" W x 36.5" H; unfolded 38.5" L x 26" W x 40.5" H; stroller weight 29.2 lbs; wheel size (front & back) 12" & 16"; From Birth Options (sold separately): Bassinet (adapters sold separately); MESA + other infant car seats - (adapters sold separately); Accessories: Parent Console, Bumper Bar, Snack Tray, Cup Holder, Bassinet, Car Seat Adapters (MESA and select Maxi-Cosi, Nuna and Cybex), PiggyBack, Performance Rain Shield, Sun and Bug Shield, CozyGanoosh, Reversible Seat Liner.