Under Armour Kid's Size & Fit Guide

  Under Armour Newborn Size Chart
    Weight Length
  0-3 mos. 8-12 lbs. 20.5-24"
  3-6 mos. 12-16 lbs. 24-27"
  6-9 mos. 16-20 lbs. 27-29"
  12 mos. 18-22 lbs. 29-30"
  18 mos. 22-26 lbs. 30.5-33"
  24 mos. 26-30 lbs. 33-35"
Size chart is a general guide. It may include sizes that are unavailable for this item.
  Under Armour Toddler Size Chart
    Chest Waist Height Weight
  2T 20-21" 20.5-21.5" 33-35" 29-33 lbs.
  3T 20.5-21.5" 21-22" 35-38" 32-36 lbs.
  4/4T 21.5-22.5" 21.5-22.5" 38-41" 35-39 lbs.
  5 22.5-23.5" 22-23" 41-44" 38-42 lbs.
Size chart is a general guide. It may include sizes that are unavailable for this item.

  Under Armour Little Girls Size Chart
    Chest Waist Hip Height
  4 21.5-22.5" 21.5-22.5" 22.5-23.5" 38-41"
  5 22.5-23.5" 22-23" 23.5-24.5" 41-44"
  6 23.5-24.5" 22.5-23.5" 24.5-25.5" 44-46"
  6x 24.5-25" 23-23.5" 25.5-26" 48.5-48.5"
Size chart is a general guide. It may include sizes that are unavailable for this item.

  Under Armour Girls 6-20 Size Chart
  Size Chest Waist Hip
  YXS (6-6x) 24-25" 23-23.5" 25-26"
  YSM (7-8) 26-27" 23.5-24.5" 27.5-28.5"
  YMD (10-12) 28.5-30" 25-26" 30-32"
  YLG (14-16) 31.5-33.5" 28-30" 34-36"
  YXL (18-20) 35.5-37.5" 32-34" 38-40"
         
    Height Waist Hip
  7P 49.5-51" 26-27" 30-31"
  8P 51.5-53" 27-28" 31.5-32.5"
  10P 53-55" 27.5-28.5" 32.5-33.5"
  12P 56-58" 29.5-30.5" 33.5-34.5"
  14P 59-61" 31-32" 35.5-36.5"
  16P 61-62.5" 33-34" 37-38"
Size chart is a general guide. It may include sizes that are unavailable for this item.

  Under Armour Little Boys Size Chart
    Chest Waist Hip Height
  4 21.5-22.5" 21.5-22.5" 22.5-23.5" 38-41"
  5 22.5-23.5" 22-23" 23.5-24.5" 41-44"
  6 22.5-24.5" 22.5-23.5" 24.5-25.5" 44-46.5"
  7 24.5-26" 23-24" 25.5-26.5" 46.5-50"
Size chart is a general guide. It may include sizes that are unavailable for this item.

Boys 57

  Under Armour Boys 6-20 Size Chart
     
Chest
Waist
Hips
      
 
XS
(6-6X)
  
24 - 25''
23 - 23.5"
25 - 26"
      
 
S
(7-8)
  
25.5 - 26.5"
23.5 - 24.5"
26.5 - 28"
      
 
M
(10-12)
  
27.5 - 28.5"
25.5 - 26.5"
29 - 30.5"
      
 
L
(14-16)
  
30.5 - 32"
28 - 29.5"
32 - 33.5"
      
 
XL
(18-20)
  
33.5 - 35"
31 - 32.5"
35 - 36.5"
      

Size chart is a general guide. It may include sizes that are unavailable for this item.

  Under Armour Youth Socks Size Chart
  Sock Size Youth US Shoe Size
  YMD 10.5-13.5
  YLG 1-4
     
Size chart is a general guide. It may include sizes that are unavailable for this item.
Under Armour Children's Shoe Size Chart
Under Armour Children's Shoe Size Chart
UA Size
Exdup Size
Euro Size
Inches
Centimeters
BABY
2K
2T
17.5
3.125
8
3K
3T
18.5
3.5
9
4K
4T
19.5
4
10
TODDLER
5K
5T
21
4.25
11
6K
6T
22
4.625
12
7K
7T
23.5
5.125
13
8K
8T
25
5.5
14
9K
9T
26
5.75
15
10K
10T
27
6.25
16
10.5K
10.5T
27.5
6.625
16.5
LITTLE KID
11K
11
28
6.75
17
11.5K
11.5
29
7
17.5
12K
12
29.5
7.25
18
12.5K
12.5
30
7.333
18.5
13K
13
31
7.625
19
13.5K
13.5
31.5
7.67
19.5
1
1
32
7.75
20
1.5
1.5
33
8
20.5
2
2
33.5
8.25
21
2.5
2.5
34
8.333
21.5
3
3
35
8.625
22
3.5
3.5
35.5
8.75
22.5
         
BIG KID
4
4
36
9
23
4.5
4.5
36.5
9.25
23.5
5
5
37.5
9.25
24
5.5
5.5
38
9.5
24.5
6
6
38.5
9.5
25
6.5
6.5
39
9.625
25.5
7
7
40
9.75
26

Size chart is a general guide. It may include sizes that are unavailable for this item. ''T'' represents toddler sizes.