Under Armour Size Guide

Under Armour Men’s Size Guide – Tops

Alpha Size

Chest (in)

Waist (in)

XS

30 - 32

26.5 - 27.5

S

34 - 36

28 - 29

M

38 - 40

30 - 32

L

42 - 44

34 - 36

XL

46 - 48

38 - 40

XXL

50 - 52

42 - 44

 Under Armour Men’s Size Guide – Bottoms

Alpha Size

Waist (in)

US Sizes

XS

26.5 - 27.5

26 - 27

S

28 - 29

28 - 29

M

30 - 32

30 - 32

L

34 - 36

34 - 36

XL

38 - 40

38 - 40

XXL

42 - 44

42 - 44

 Under Armour Women’s Size Guide - Tops

Alpha Size 

Bust (in)

Waist (in)

US sizes

XS

31 - 33

23 - 25

0 - 2

S

33.5 – 35.5

25.5 – 27.5

4 - 6

M

36 - 38

28 - 30

8 - 10

L

38.5 – 40.5

30.5 – 32.5

12 - 14

XL

41 - 43

33 - 35

16

  Under Armour Women’s Size Guide – Bottoms

Alpha Size 

Waist (in)

US sizes

XS

23 - 25

0 - 2

S

25.5 – 27.5

4 - 6

M

28 – 30

8 - 10

L

30.5 – 32.5

12 - 14

XL

33 – 35

16

 Under Armour Youth Boy’s Size Guide - Tops

Alpha Size

Chest (in)

Waist (in)

Height (in)

US sizes

Youth XS

25 - 26

22 - 23

48 - 50

7

Youth S

26 - 28

23 - 24

50 - 54

8

Youth M

28 - 30

25 - 26

54 - 59

10 - 12

Youth L

30 - 32

26 - 27

59 - 63

14 - 16

Youth XL

32 - 34

28 - 29

63 - 67

18 - 20

 Under Armour Youth Boy’s Size Guide – Bottoms

Alpha Size 

Waist (in)

Hip (in)

Height (in)

US sizes

Youth XS

22 - 23

25 - 26

48 - 50

7

Youth S

23 - 24

26½ - 28

50 - 54

8

Youth M

25 - 26

29 - 30½

54 - 59

10 - 12

Youth L

26 - 27

32 - 33½

59 - 63

14 - 16

Youth XL

28 - 29

35 - 36½

63 - 67

18 - 20

 Under Armour Youth Girls Size Guide – Tops

Alpha Size 

Chest (in)

Waist (in)

Height (in)

US sizes

Youth XS

25-26

22-23

48-50

7

Youth S

26-28

23-24

50-54

8

Youth M

28-30

25-26

54-59

10-12

Youth L

30-32

26-27

59-63

14-16

Youth XL

32-34

28-29

63-67

18-20

 Under Armour Youth Girls Size Guide – Bottoms

Alpha Size 

Waist (in)

Hip (in)

Height (in)

US sizes

Youth XS

22 - 23

25 - 26

48 - 50

7

Youth S

23 - 24

26½ - 28

50 - 54

8

Youth M

25 - 26

30 - 32

54 - 59

10 - 12

Youth L

26 - 27

34 - 36

59 - 63

14 - 16

Youth XL

28 - 29

38 - 40

63 - 67

18 - 20