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Children's Under Armour Clothing Size Chart

Most Under Armour® gear is designed to fit close to the body for zero distractions, but is still consistent with traditional sizing parameters. This means if you normally wear a "Large" T-shirt, you would also wear a "Large" UA T-shirt.

Boy's Clothing:

How To Measure:

Chest: Place the tape measure under your arms at the fullest part of your chest, wrap around your body until your fingers meet and mark the measurement.

Waist: Measure around your natural waistline-right above your hips. Be careful not to squeeze too tight to allow a little give.

Hips: With your feet together, measure around the fullest part of your hips to ensure you'll have enough room to move comfortably.

Boy's Clothing Sizes

Regular Sizes:

US Sizes: Chest: (in) Waist: (in) Hips: (in)
YXS 7 25-26 23-24 26-27
YSM 8 26-27 24-25 27-28½
YMD 10-12 27-29 25-27 28½-31
YLG 14 29-31 27-28½ 31-32½
YXL 16 31-32½ 28½-30 32½-34

Husky Sizes:

Waist: (in) Hips: (in) Height: (in)
8H 26½-27½ 29½-30½ 50-52
10H 28-29 31-32 53½-55½
12H 29½-30½ 32½-33½ 56½-58½
14H 31-32 34-35 59½-61½
16H 32½-33½ 35½-36½ 62-64
18H 34-35 37-38 64½-66½
20H 35½-36½ 38½-39½ 67-69

Boy's Clothing FittedFitted 

Sits close to the skin for a streamlined fit without the squeeze of compression.

Boy's Clothing LooseLoose 

Full, loose fit for enhanced range of motion & breathable comfort no matter where your workout takes you.

 

 

Girl's Clothing:

How To Measure:

Chest: Place the tape measure under your arms at the fullest part of your chest, wrap around your body until your fingers meet and mark the measurement.

Waist: Measure around your natural waistline—right where your hips start. Be careful not to squeeze too tight to allow a little give.

Hips: With your feet together, measure around the fullest part of your hips to ensure you'll have enough room to move comfortably.

Girl's Clothing Size Chart

 

Regular Sizes:

US Sizes: Chest: (in) Waist: (in) Hip: (in)
YXS 7 25½-26½ 23-24 27-28
YSM 8 26½-28 24-24½ 28-29½
YMD 10-12 28-30½ 24½-26½ 29½-32½
YLG 14 30½-32 26½-28½ 32½-34½
YXL 16 32-34 28½-30 34½-36½
 

Plus Sizes:  

Waist: (in) Hips: (in) Height: (in)
7P 26-27 30-31 49½-51
8P 27-28 31½-32½ 51½-53
10P 27½-28½ 32½-33½ 53-55
12P 29½-30½ 33½-34½ 56-58
14P 31-32 35½-36½ 59-61
16P 33-34 37-38 61-62½

Girl's Clothing FittedFitted

Sits close to the skin for a streamlined fit without the squeeze of compression.

Girl's Clothing LooseLoose

Full, loose fit for enhanced range of motion & breathable comfort no matter where your workout takes you.

 

 

Little Boy's Under Armour

 Little Boys:

US Sizes: Chest: (in) Waist: (in) Hips: (in) Height: (in)
4 21½-22½ 21½-22½ 22½-23½ 38-41
5 22½-23½ 22-23 23½-24½ 41-44
6 22½-24½ 22½-23½ 24½-25½ 44-46½
7 24½-26 23-24 25½-26½ 46½-50

 

 

little girl under armour

 Little Girls:

US Sizes: Chest: (in) Waist: (in) Hips: (in) Height: (in)
4 21½-22½ 21½-22½ 22½-23½ 38-41
5 22½-23½ 22-23 23½-24½ 41-44
6 23½-24½ 22½-23½ 24½-25½ 44-46
6x 24½-25 23-23½ 25½-26 46½-48½

 

 

Toddler Under Armour

Toddlers:

Chest: (in) Waist: (in) Height: (in) Weight: (lb)
2T 20-21 20½-21½ 33-35 29-33
3T 20½-21½ 21-22 35-38 32-36
4/4T 21½-22½ 21½-22½ 38-41 35-39
5 22½-23½ 22-23 41-44 38-42

 

 

 Infant Under Armour Clothing

Infants:

US Sizes: Chest: (in) Height: (in) Weight: (lb)
0-3 M 15½-17 20½-24 8-12
3-6 M 17-18 24-27 12-16
6-9 M 18-18½ 27-29 16-20
12 M 18½-19 29-30 18-22
18 M 19-20 30½-33 22-26
24 M 20-21 33-35 26-30