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  • Under Armour Size Charts

    Many people are hesitant to order online because of fit. Will it be too tight? Too loose? Too short? Or too long? Will it be the right cut for my body type? Is it supposed to fit like this? To help ease the uncertainty, we've put together a comprehensive fit guide. It will walk you through the various steps to finding the right UA fit for all our gear.

    Under Armour® performance gear was built to be consistent with traditional sizing parameters. This means if you normally wear a "Large" T-shirt, you would also wear a "Large" UA T-shirt. So please order accordingly...and with confidence.

    MEN’S TOPS

    CHEST (in) WAIST (in)
    XS 30-32 26½-27½
    SM 34-36 28½-30
    MD 38-40 31½-33½
    LG 42-44 35-37
    XL 46-48 39-41
    XXL 50-52 43-45½
    3XL 54-56 47½-50
    4XL 58-60 52-54½
    5XL 62-64 56½-59
     

    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.

    MEN’S BOTTOMS

    US SIZES WAIST (in) HIP (in)
    XS 26-27 26½-27½ 32-33
    SM 28-29 28½-30 34-35½
    MD 30-32 31½-33½ 37-38½
    LG 34-36 35-37 40-42
    XL 38-40 39-41 44-46
    XXL 42-44 43-45½ 48-50
    3XL 46-48 47½-50 52-54
    4XL 50-52 52-54½ 56-58
    5XL 54-56 56½-59 60-62

    HOW TO MEASURE

    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

    MEN’S FIT GUIDE

    LOOSE

    Fuller cut for complete comfort, total range of motion & greater breathability.

    FITTED

    A slimmer, athletic cut that allows total mobility but eliminates the bulk of extra fabric.

    COMPRESSION

    Ultra-tight, second-skin fit that keeps you locked in & makes you feel like you can do anything.

    WOMEN’S TOPS

    US SIZES BUST (in) WAIST (in)
    XS 0-2 32½-33½ 25½-26½
    SM 4-6 33½-35½ 27½-28½
    MD 8-10 36½-37½ 29½-30½
    LG 12-14 39-40½ 32-33½
    XL 16 42-43½ 35-36½
    XXL 18 45-46½ 38-39½
     

    HOW TO MEASURE

    BUST: 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.

    WOMEN'S BOTTOMS

    US SIZES WAIST (in) HIP (in)
    XS 0-2 25½-26½ 34½-35½
    SM 4-6 27½-28½ 36½-37½
    MD 8-10 29½-30½ 38½-39½
    LG 12-14 32-33½ 41-42½
    XL 16 35-36½ 44-45½
    XXL 18 38-39½ 47-48½
     

    HOW TO MEASURE

    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

    SPORTS BRAS

    BUST (in)
    XS 28
    SM 30-32
    MD 34-36
    LG 36-38
    XL 38-40
    XXL 40-42

    HOW TO MEASURE

    BUST: First, find your bust size by measuring around the fullest part of the chest while wearing a bra with little to no extra padding. If you don't have a tape measure, use a string and measure it against a ruler. Find your measurement on the size chart to determine your ideal UA sports bra size.

    ARMOUR BRA

    MEASUREMENT (in) BAND SIZE
    27 30
    28 32
    29 32
    31 32
    32 34
    33 34
    34 36
    35 36
    36 36
    37 38
    38 38
    Cup Size Chart
    SIZES DIFFERENCE
      A 1 inch
      B 2 inches
      C 3 inches
      D 4 inches
      DD 5 inches

    HOW TO MEASURE

    BAND SIZE: Standing straight up with an unpadded bra on, measure closely around the chest just under your arms, right above the bust. If your result is a fraction, round to the nearest whole number. (ex. 33.7" rounded to the nearest whole number, your band measurement is 34")

    CUP SIZE: While wearing a non-padded bra, keep the tape parallel & measure at the fullest part of your bust. Round this measurement UP the nearest WHOLE number. Subtract BAND size from BUST size to find your CUP size. EX. 32” - 28”

    WOMEN’S FIT GUIDE

    LOOSE

    Fuller, more generous cut for enhanced range of motion & an effortlessly relaxed fit.

    SEMI-FITTED

    A slimmer, athletic cut that delivers optimal mobility by eliminating the bulk of extra fabric.

    FITTED

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

    COMPRESSION

    Ultra-tight, second-skin fit that locks you in & makes you feel like you can do anything.

    BOYS’

    REGULAR SIZES

    US SIZES CHEST (in) WAIST (in) HIPS (in)
    YXS 6-6X 24-25 23-23½ 25-26
    YSM 7-8 25½-26½ 23½-24½ 26½-28
    YMD 10-12 27½-28½ 25½-26½ 29-30½
    YLG 14-16 30½-32 28-29½ 32-33½
    YXL 18-20 33½-35 31-32½ 35-36½

    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
     

    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

    GIRLS’

    REGULAR SIZES

    US SIZES CHEST (in) WAIST (in) HIP (in)
    YXS 6-6X 24-25 23-23½ 25-26
    YSM 7-8 26-27 23½-24½ 27½-28½
    YMD 10-12 28½-30 25-26 30-32
    YLG 14-16 31½-33½ 28-30 34-36
    YXL 18-20 35½-37½ 32-34 38-40

    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
     

    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

    BOYS’ FIT GUIDE

    LOOSE

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

    FITTED

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

    GIRLS’ FIT GUIDE

    LOOSE

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

    FITTED

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

    LITTLE BOYS’

    US SIZES Chest (in) Waist (in) HIP (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
     

    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

    LITTLE GIRLS’

    US SIZES Chest (in) Waist (in) HIP (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 48½-48½
     

    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

    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
     

    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.

    INFANT

    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
     

    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.

    HEADWEAR

    ADJUSTABLE CAP SIZE

    Head (in)
    MEN’S OSFA 22-23½
    WOMEN’S OSFA 21¼-22¾
    YOUTH OSFA 20⅞-22⅜

    STRETCH-FIT

    Head (in)
    S/M 20⅞-21½
    M/L 22-23
    L/XL 23-24¼
    XL/XXL 24¼-25½

    FITTED

    US Sizes Head (in)
    6⅝ 20⅞
    21¼
    6⅞ 21⅝
    7 22
    7⅛ 22⅜
    22¾
    7⅜ 23
    23½
    7⅝ 23⅞
    24¼
    7⅞ 24¾
    8 25⅛
    8⅛ 25½

    HOW TO MEASURE

    HEAD: To figure out your UA fitted hat size, measure the circumference of your head where your hat will rest. If you don't have a tape measure, use a string and measure it against a ruler. Find your measurement on the size chart to determine your ideal UA hat size

    SOCKS

    Youth
    YMD 10½-13½
    YLG 1-4
    Men Women
    MD 4-8½ 7-10½
    LG 9-12½ 11-13
    XL 13-16

    HOW TO MEASURE

    Sock sizes are based on US shoe size.