The size 3-6m in Hatley is closest to the following:
Brand Label Weight (lbs) Height (inches)
American Apparel 6-12m 16 - 22 lbs 25 - 28 inches
BabyBoden 3-6 months 13 - 17.5 lbs 23.5 - 27 inches
Burt's Bees Baby (Target) 3-6 M 12 - 16 lbs 24 - 27 inches
Carters 6 months 12.5 - 16.5 lbs 24 - 26.5 inches
Cherokee (Target) 6 months 12.5 - 16 lbs 24 - 25.5 inches
Circo (Target) 6 months 12.5 - 16 lbs 24 - 25.5 inches
Gap 3-6 months 12 - 17 lbs 23 - 27 inches
Gymboree 3-6 months 12 - 17 lbs 23 - 25 inches
H&M 2-4 months - 24 inches
Hanna Andersson 60cm 10 - 16 lbs 22 - 26 inches
Hatley 3-6m 12 - 17 lbs 23 - 27 inches
J.Crew/ Crewcuts 3-6 months 12 - 17 lbs 25 - 29 inches
Jumping Bean (Kohl's) 9 months 16 - 20 lbs 25 - 27 inches
LLBean 3-6m 14 - 18 lbs 25 - 27 inches
Marimekko 6 months/68cm - 22 - 26 inches
MiniBoden 1.5 years - 32.5 inches
Old Navy 3-6 months 12 - 17 lbs 23 - 27 inches
OshKosh 6 months 12.5 - 16.5 lbs 24 - 26.5 inches
Petit Bateau 6M 14 - 16 lbs 26.5 inches
Ralph Lauren 6-9 months 14.5 - 18.5 lbs 24.5 - 27 inches
The Children's Place 3-6 months 11 - 15 lbs -
Tucker + Tate (Nordstrom) 6M 15 - 18 lbs 24.5 - 27 inches
Wal-Mart 6 months 12.5 - 16 lbs 23.5 - 26 inches
Zutano 6m 12 - 14 lbs 20 - 24 inches
childhoods 3-6 months 12 - 17 lbs 23 - 26 inches
janie and jack 3-6 months 12 - 17 lbs 23 - 25 inches
june and january 0-6 months 16 lbs 26 inches
tea 3-6 months 11 - 15 lbs 22 - 25 inches
vineyard vines 0-6 months 7 - 15 lbs 28 inches