Nanit Bodysuit
| Size/Age | Weight |
| NB - 0M | 2.7 - 4 kg |
| 0-3M | 4 - 5.6 kg |
| 3-6M | 5.6 - 7.7 kg |
| 6-9M | 7.7 - 9.5 kg |
| 9-12M | 9.5 - 11.3 kg |
Nanit Breathing Band
| Size/Age | Weight | Min - Max Chest Circumference |
| 0-3M | 2.7 - 5.6 kg | 28.5 - 50 cm |
| 3-12M | 5.6 - 11.3 kg | 40.6 - 58.4 cm |
| 12-24M | 11.3 - 13.6 kg | 49.5 - 68.5 cm |
Nanit Pyjamas
| Size/Age | Weight | Length |
| NB - 0M | 2.7 - 4 kg | 45.7 - 54.6 cm |
| 0-3M | 4 - 5.6 kg | 54.6 - 61 cm |
| 3-6M | 5.6 - 7.7 kg | 61 - 67.3 cm |
| 6-9M | 7.7 - 9.5 kg | 67.3 - 72.3 cm |
| 9-12M | 9.5 - 11.3 kg | 72.3 - 77.5 cm |
Nanit Sleeping Bag
| Size/Age | Weight | Length |
| 3-6M | 5.4 - 8.1 kg | 58.4 - 66 cm |
| 6-12M | 7.2 - 9.9 kg | 63.5 - 76.2 cm |
| 12-18M | 9.9 - 12.7 kg | 76.2 - 89 cm |
| 18-24M | 11.7 - 16.3 kg | 89 - 101.6 cm |
Nanit Swaddle
| Size/Age | Weight |
| NB | 2.2 - 5.4 kg |
| 0-3M | 3.1 - 6.3 kg |
| 3-6M | 6.3 - 8.1 kg |