TRAVEL SYSTEM READY - Infant car seat compatible (with use of adapters sold separately) with popular brands including phil&teds, Mountain Buggy, Graco, Chicco, Cybex and Maxicosi. NEWBORN CONVENIENCE - Newborn-ready seat with a full lie-flat mode includes pull-down shade for shading sleepy little ones and has the ability to hold a parent-facing baby carrycot (separate accessory). LIGHTWEIGHT - Stroller weighs 23.5 lbs and includes a main, full-size seat that holds up to 44 lbs, an extendable leg and a sunhood with zip-out extension and silent peek-a-boo flap. SMOOTH RIDE TIRES - Super-smooth, hassle-free riding with 10" rear puncture-proof, aerotech wheels and suspension on all four wheels; convenient hand-operated parking brake offers easy braking control at your fingertips. FOOT FOLD - Intuitive, compact, one-piece standing foot fold - a world's first of its kind - is only 23" wide, making it perfect for tight city spaces.