From Nuna, this carrier features: Recommended use: Newborns up to 3 years; 8-35 lbs. Facing in/Infant Booster: 8-15 lb, < 4 months Facing In: 15-30 lb, 4+ months Facing Out: 20-30 lb, 6+ months Back Carry: 25-35 lb, 9+ months 4-in-1 - Four carry positions that encourage healthy hip and spine development: Newborn mode, Facing in, Facing out, Back carry Integrated infant booster - with covered, locking zippers to ensure soft and safe use with babies under 4 months Head support can fold down or be removed as baby grows MagneTech Secure Snap™--the self-guiding magnetic buckle that automatically locks into place, ensuring an easy and secure attachment All-over comfort - Experience even distribution of baby's weight thanks to padded shoulder straps and a wide secure waist belt Mercerized cotton is silky-smooth for an extra level of comfort while being durable Adjustable yoke keeps shoulder straps connected and comfortable Innovative leg openings adjust to customize fit for smaller babies Warm weather-ready, mesh fabrics allow air to flow and attached hood shades baby from the sun Storage pocket for out-the-door hands-free essentials Machine washable - Toss in a removable bib, or your entire CUDL whenever a refresher is needed Made with better-for-baby OEKO-TEX®FABRIC - Verified in an independent laboratory and tested for harmful substances Includes two GOTS™-certified organic cotton bibs Hip Healthy - when used as instructed in the manual Nuna is proud to support the International Hip Dysplasia Institute (IHDI) a global leader in the fight against hip dysplasia as a member of their Research Partnership Program Versatile waistband - adjustable from 24 to 57-inches Imported.