Size Chart

Nanit Bodysuit

Size/Age Weight
NB - 0M 6-9 lb
0-3M 9-12.5 lb
3-6M 12.5-17 lb
6-9M 17-21 lb
9-12M 21-25 lb

Nanit Breathing Band

Size/Age Weight Min Chest Circumference Max Chest Circumference
0-3M 6-12.5lb 11.25 in 19.75 in
3-12M 12.5-25 lb 16 in 23 in
12-24M 25-30 lb 19.5 in 27 in

Nanit Pajamas

Size/Age Weight Length
NB - 0M 6-9 lb 18-21.5 in
0-3M 9-12.5 lb 21.5-24 in
3-6M 12.5-17 lb 24-26.5 in
6-9M 17-21 lb 26.5-28.5 in
9-12M 21-25 lb 28.5-30.5 in

Nanit Sleeping Bag

Size/Age Weight Length
3-6M 12-18 lb 23-26 in
6-12M 16-22 lb 25-30 in
12-18M 22-28 lb 30-25 in
18-24M 26-36 lb 35-40 in

Nanit Swaddle

Size/Age Weight
NB 5-12 lb
0-3M 7-14 lb
3-6M 14-18 lb