The size 3Y in Petit Bateau is closest to the following:
Brand Label Weight (lbs) Height (inches)
American Apparel 18-24m 28 - 30 lbs 32 - 34 inches
BabyBoden 2-3 years - 35.5 - 38.5 inches
Burt's Bees Baby (Target) 2T 28 lbs 33 - 36 inches
Carters 18 months 24.5 - 27.5 lbs 30.5 - 32.5 inches
Cherokee (Target) 24 months/ 2T 26.5 - 28 lbs 33 - 35.5 inches
Circo (Target) 24 months/ 2T 26.5 - 28 lbs 33 - 35.5 inches
Gap 18-24 months 27 - 30 lbs 31 - 33 inches
Gymboree 18-24 months 27 - 30 lbs 31 - 33 inches
H&M 1.5-2 years - 36 inches
Hanna Andersson 90cm 26 - 33 lbs 34 - 38 inches
Hatley 3 - 38 inches
J.Crew/ Crewcuts 18-24 months 27 - 30 lbs 32 - 37 inches
Jumping Bean (Kohl's) 24 months 26 - 29 lbs 31 - 33 inches
LLBean 4T - 37 - 38 inches
Lands End 2T 27 - 29 lbs 33 - 35 inches
Marimekko 2 yrs/92 cm - 36 inches
MiniBoden 2y - 35.5 inches
Old Navy 18-24 months 27 - 30 lbs 31 - 33 inches
OshKosh 18 months 24.5 - 27.5 lbs 30.5 - 32.5 inches
Petit Bateau 3Y 25 - 27 lbs 37 inches
Ralph Lauren 18M 25.5 - 27.5 lbs 31.5 - 33 inches
The Children's Place 18-24 months 22 - 28 lbs -
Tucker + Tate (Nordstrom) 18M 25 - 27 lbs 31 - 33 inches
Wal-Mart 24 months/ 2T 26.5 - 30 lbs 32 - 35.5 inches
Zutano 24m 24 - 29 lbs 33 - 35 inches
childhoods 18-24 months 25 - 30 lbs 31 - 33 inches
janie and jack 18-24 months 27 - 30 lbs 31 - 33 inches
june and january 2T 25 - 27 lbs 33 - 35 inches
tea 18-24 months 27 - 30 lbs 31 - 33 inches
vineyard vines 2T 27.5 - 30.5 lbs 33 - 36 inches