When shopping for baby onesies, it’s important to prioritize both comfort and functionality. Start by selecting onesies made from soft, breathable fabrics like cotton to keep your baby comfortable all day long. Look for snap closures at the bottom, which make diaper changes more convenient. If you live in colder climates, opt for long-sleeved onesies for added warmth, while short-sleeved options are perfect for warmer weather. Sizes can vary between brands, so be sure to check the sizing chart. With so many cute and practical options available, finding the perfect baby onesie is both fun and rewarding.