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Union Suit Size Chart

Size Chart

Finding the right size

To get an accurate body measurement, do not measure over clothing.

  • Chest: With your child's arms out, measure around the fullest part of the chest.
  • Waist: Measure around the natural waistline.
  • Hip: Measure around the fullest part of the hips and seat.
  • Height: Measure from the top of the head to the ground, without shoes.

When purchasing kid's pajamas, we recommend buying a size up from the age of the child (example: a four-year-old would take a size 5).

Adult Union Suits

As the adult union suits are unisex, sizing is based on a man’s average proportions (it has to fit him too!) To select the right size for a woman, choose one size smaller than normal. Ex: if she normally wears medium, select a small.

SIZE  CHEST WAIST SUGGESTED HEIGHT
XS     32" - 34"
81cm - 86cm		    28" - 30"
71cm -76cm		     5' - 5'2"
152cm - 157cm
S    34" - 36"
86cm - 91cm		    30" - 32"
76cm - 81cm		     5'2" - 5'6"
157cm - 168cm
M    38" - 40"
97cm - 102cm		    32" - 33"
81cm - 84cm		     5'6" - 5'9"
168cm - 175cm
L   42" - 44"
107cm - 112cm		    33" - 34"
84cm - 86cm		     5'9" - 6'
175cm - 183cm
XL    46" - 47"
117cm - 119cm		    36" - 38"
91cm - 96cm		     5'11" - 6'2"
180cm - 188cm
 Baby
US / UK EU WEIGHT LENGTH
0-3m 56 - 58 7 - 12lbs
3 - 5.4kg		 18" - 23"
46cm - 58cm
3-6m 58 - 69 12 - 16lbs
5.4 - 7.3kg		 23" - 27"
58cm - 69cm
6-9m 69 - 74 16 - 21lbs
7.3 - 9.5kg		 27" - 29"
69cm - 74cm
6-12m 69 - 74 17 - 22lbs
7.7 - 10kg		 27" - 29"
69cm - 74cm
9-12m 74 - 79 21 - 25lbs
9.5 - 11.3kg		 29" - 31"
74cm - 79cm
12-18m 79 - 84 25 - 27lbs
11.3 - 12.2kg		 31" - 33"
79cm - 84cm
18-24m 84 - 89 27 - 30lbs
12.2 - 13.6kg		 33" - 35"
84cm - 89cm
 Toddler
US / UK WEIGHT LENGTH
2T 30 - 33lbs
13.6 - 15kg		 35" - 37"
89cm - 94cm
3T 33 - 36lbs
15 - 16.3kg		 37" - 39"
94cm - 99cm
4T 36 - 39lbs
16.3 - 17.7kg		 39" - 41"
99cm - 104cm
 Kids
US/UK EU CHEST WAIST HIPS HEIGHT
1 86 20.0"
51cm		 19.5"
50cm		 20.0"
51cm		 32.0"
81cm
2 92 21.0"
53cm		 20.5"
52cm		 21.0"
53cm		 35.0"
89cm
3 98 22.0"
56cm		 21.0"
53cm		 22.0"
56cm		 38.0"
97cm
4 104 23.0"
58cm		 21.5"
55cm		 23.0"
58cm		 41.0"
104cm
5 110 24.0"
61cm		 22.0"
56cm		 24.0"
61cm		 44.0"
112cm
6 116 25.0"
64cm		 22.5"
57cm		 25.0"
64cm		 47.0"
119cm
7 122 26.0"
66cm		 23.0"
58cm		 26.0"
66cm		 50.0"
127cm
8 128 27.0"
69cm		 23.5"
60cm		 28.0"
71cm		 53.0"
135cm
10/9-10 134-140 28.5"
72cm		 24.5"
62cm		 29.0"
74cm		 56.0"
142cm
12/11-12 146-152 30.0"
76cm		 25.5"
65cm		 31.0"
79cm		 59.0"
150cm
14   31.5"
80cm		 26.5"
67cm		 32.5"
83cm		 63.0"
160cm