Sleep Sack Size Chart (Top In Inches and Bottom Chart in CM): Length of Baby (head to toe) is key when choosing the correct size. When in doubt please message us to consult with our sleep sack experts.
| Age (months) | 0-6 | 6-18 | 18-36 | 36-48 |
| Weight (lbs) | 10-18 | 16-26 | 25-35 | 34-45 |
| Length of baby (inches) | 22-26 | 25-32 | 31-39 | 38-47 |
| Age (months) | 0-6 | 6-8 | 18-36 | 36-48 |
| Weight (kg) | 4.5-7.5 | 7-11.5 | 11-16 | 34-45 |
| Length of baby (cm) | 56-66 | 63.5-81 | 79-99 | 96.5-119 |