Size Guide The perfect fit for happybabies and easy dressing. Use our guide to find the right sizefor you baby. When in doubt,we recommend sizing up. Comfortable Fit Designed to give our baby freedom to move. Room to Grow Our sizes are made to last longer in every stage. Easy Dressing The right size makes dressing faster and easier. Happy Baby, Happy You When it fits right. everyone is happy. Find your baby's size Not sure? Our star shape gives extra room for movement and comfort, so sizing up is always a safe choice. Shop Now How to measure your baby HeightYour baby flat and measure from the top of the head to the bottom of the feet. ChestMeasure around te fullest part of your baby's chest, under the arms. WeightUse your baby's current weight to confirm the best size option. How to measure your baby