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Ralph Lauren Boys Size Guide
Size 8 (S) 10 (M) 12 (M) 14 (L) 16 (L) 18 (XL) 20 (XL)
Age 6-7 yrs 7-8 yrs 9-10 yrs 10-11 yrs 11-12 yrs 12-13 yrs 13-14 yrs
Height (cm) up to 127 up to 137 up to 147 up to 155 up to 163 up to 168 up to 173
Weight (kg) up to 26.8 up to 33.1 up to 39.5 up to 45.3 up to 52.1 up to 57.1 up to 62.6
Chest (cm) 67 71 75 80 84 88 91
Waist (cm) 60 62 65 67 70 72 75
Belts S M L
66-71 cm 76 cm 81 cm
Boys 2-7
Size 2T/2 3T/3 4T/4 5 6 7
Age 1 1/2- 2 yrs 2 yrs 3 yrs 4 yrs 5 yrs 6 yrs
Height (cm) up to 90 up to 98 up to 105 up to 113 up to 121 up to 128
Weight (kg) up to 13.2 up to 15.4 up to 17.7 up to 19.8 up to 21.8 up to 24.5
Waist (cm) 52 53 55 56 57 58
Belts XS
51-56 cm 61 cm
Baby Boy
Size Newborn 3 m 6 m 9 m
Age NB NB-3 mths 3 mths 6 mths
Height (cm) up to 58 up to 61 up to 66 up to 72
Weight (kg) 2.7-4.3 up to 5.9 up to 7.0 up to 8.2
Waist (cm) 42 46 47 48
InFANT Boy
Size 9 m 12 m 18 m 24 m
Age 6 mths 9 mths 12 mths 18 mths
Height (cm) up to 72 up to 77 up to 81 up to 86
Weight (kg) up to 8.2 up to 10.4 up to 11.8 up to 13.2
Waist (cm) 48 49 50 51
Socks Sizing
Size Layette Infant Toddlers Boys
Sock 0-6 mths 6-12 mths 18-24 mths 2-4 yrs 4-7 yrs 8-9.5 yrs 9-11 yrs
UK Shoe 0-2 1-3 4-5 5-9 9-12 12-2 3-6
EU Shoe 16-18 17-19 20-22 22-27 27-31 31-34 36-39

Ralph Lauren Girls Size Guide
Size 7 (S) 8 (M) 10 (M) 12 (L) 14 (L) 16 (XL)
Age 7-8 yrs 8-9 yrs 9-10 yrs 10-11 yrs 11-12 yrs 12-13 yrs
Height (cm) up to 130 up to 135 up to 140 up to 146 up to 152 up to 159
Weight (kg) up to 27.2 up to 29.9 up to 33.6 up to 38.1 up to 43.5 up to 49.9
Chest (cm) 66 69 72 76 80 84
Waist (cm) 60 62 65 67 70 72
Belts S M L
66-71 cm 76 cm 81 cm
Girls 2-6X
Size 2T/2 3T/3 4T/4 5 6 7
Age 1 1/2- 2 yrs 2 yrs 3 yrs 4 yrs 5 yrs 6 yrs
Height (cm) up to 90 up to 98 up to 105 up to 113 up to 121 up to 128
Weight (kg) up to 13.2 up to 15.4 up to 17.7 up to 19.8 up to 21.8 up to 24.5
Waist (cm) 52 53 55 56 57 58
Belts XS
51-56 cm 61 cm
Baby Girl
Size Newborn 3 m 6 m 9 m
Age NB NB-3 mths 3 mths 6 mths
Height (cm) up to 58 up to 61 up to 66 up to 72
Weight (kg) 2.7-4.3 up to 5.9 up to 7.0 up to 8.2
Waist (cm) 42 46 47 48
InFANT Girl
Size 9 m 12 m 18 m 24 m
Age 6 mths 9 mths 12 mths 18 mths
Height (cm) up to 72 up to 77 up to 81 up to 86
Weight (kg) up to 8.2 up to 10.4 up to 11.8 up to 13.2
Waist (cm) 48 49 50 51
Socks Sizing
Size Layette Infant Toddlers Girls
Sock 0-6 mths 6-12 mths 18-24 mths 2-4 yrs 4-6x 8-9.5 9-11
UK Shoe 0-2 1-3 4-5 5-9 9-12 12-2 3-6
EU Shoe 16-18 17-19 20-22 22-27 27-31 31-34 36-39