The size 12-18m in Hatley is closest to the following:
Brand Label Weight (lbs) Height (inches)
American Apparel 12-18m 23 - 27 lbs 29 - 31 inches
BabyBoden 12-18 months 22 - 26.5 lbs 30 - 32.5 inches
Burt's Bees Baby (Target) 18 M 22 - 24 lbs 29.5 - 32.5 inches
Carters 12 months 20.5 - 24.5 lbs 28.5 - 30.5 inches
Cherokee (Target) 18 months 23.5 - 26 lbs 31 - 32.5 inches
Circo (Target) 18 months 23.5 - 26 lbs 31 - 32.5 inches
Gap 12-18 months 22 - 27 lbs 29 - 31 inches
Gymboree 12-18 months 22 - 27 lbs 29 - 31 inches
H&M 6-9 months - 29 inches
Hanna Andersson 80cm 20 - 27 lbs 30 - 34 inches
Hatley 12-18m 22 - 27 lbs 29 - 31 inches
J.Crew/ Crewcuts 12-18 months 22 - 27 lbs 30 - 32 inches
Jumping Bean (Kohl's) 18 months 23 - 26 lbs 29 - 31 inches
LLBean 12-18m 22 - 25 lbs 29 - 32 inches
Lands End 2T 27 - 29 lbs 33 - 35 inches
Marimekko 9 months/ 74 cm - 28 - 30 inches
MiniBoden 1.5 years - 32.5 inches
Old Navy 12-18 months 22 - 27 lbs 29 - 31 inches
OshKosh 12 months 20.5 - 24.5 lbs 28.5 - 30.5 inches
Petit Bateau 18M 22 - 24 lbs 32 inches
Ralph Lauren 12M 22.5 - 25 lbs 29.5 - 31 inches
The Children's Place 18-24 months 22 - 28 lbs -
Tucker + Tate (Nordstrom) 12M 23 - 25 lbs 29.5 - 30.5 inches
Wal-Mart 18 months 22.5 - 26 lbs 30 - 31.5 inches
Zutano 18m 20 - 24 lbs 30 - 32 inches
childhoods 12-18 months 20 - 25 lbs 29 - 31 inches
janie and jack 12-18 months 22 - 27 lbs 29 - 31 inches
june and january 12-24 months 20 - 26 lbs 30 - 34 inches
tea 12-18 months 22 - 27 lbs 29 - 31 inches
vineyard vines 12-18 months 22 - 27 lbs 30 - 32 inches