All CastleWare Baby Sleeper Bags run true to size with room for growth so there is no need to size up.
Sleeper Bag Length: top center of neck to bottom of bag
Size: Newborn birth to 3 months
Height: 19-23”
Weight: 7-14 Lbs.
Length: 24”
Size: Small birth to 6 months
Height: 23-26”
Weight: 11-18 Lbs.
Length: 26”
Size: Medium 6-12 months
Height: 27-30”
Weight: 18-24 Lbs.
Length: 29”
Size: Large 12-18 months
Height: 30-33”
Weight: 24-28 Lbs.
Length: 32”
Size: XL 18-24 months
Height: 33-35”
Weight: 28-32 Lbs.
Length: 35”
Size: XXL 18-36 months
Height: 36-41”
Weight: 30-39 Lbs.
Length: 38”
