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STRETCH YOUR STORY

ButterFlow™ Square Neck Longline Bra B/C Cups

Total price

$42.00 $60.00

This longline sports bra offers medium support and added waist coverage without restriction. Made from soft, cool-to-touch ButterFlow™ fabric, it stretches with you while gently holding its shape—and is easy to put on and take off. A breathable underband keeps the bust secure, while wide straps and a cross-back design add stability without pressing on the shoulder blades. The square neckline gives it a clean look and added airflow.

Color: White

Gracen is 5'10" wearing S

US Size: S
Size Guide

SUPPORT LEVEL

Medium support designed for gym training, running, and high-movement workouts. Fits best when you choose the size that matches your underbust measurement.

Quantity:

Total price

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Size Guide

Leggings
Pants
Sports Bras
Jackets & Tops

Size chart

in

cm

Size
US Size
Waist
Hip

XS

S

M

L

XL

2XL

3XL

0

2-4

6-8

10

12-14

16

18-20

25

27

29

31

33 1/2

36

39

34 1/2

36 1/2

38 1/2

40 1/2

43

45 1/2

48 1/2

Size
US Size
Waist
Hip

XS

S

M

L

XL

2XL

3XL

0

2-4

6-8

10

12-14

16

18-20

63.5

68.5

73.5

78.8

85

91.5

99

87.5

92.5

97.8

103

109.5

115.5

123

Size
US Size
Waist
Hip

XS

S

M

L

XL

2XL

0

2

4

6-8

8-10

12

26

26 3/4

28 1/4

30

32

34

34 1/2

35 1/2

37

38 1/2

40 1/2

42 1/2

Size
US Size
Waist
Hip

XS

S

M

L

XL

2XL

0

2

4

6-8

8-10

12

66

68

72

76

81

86

88

90

94

98

103

108

Size
US Size
Hip

XS

S

M

L

XL

2XL

3XL

0

2-4

6-8

10

12-14

16

18-20

34 1/2

36 1/2

38 1/2

40 1/2

43

45 1/2

48 1/2

Size
US Size
Hip

XS

S

M

L

XL

2XL

3XL

0

2-4

6-8

10

12-14

16

18-20

87.5

92.5

97.8

103

109.5

115.5

123

Size chart

in

cm

Size
US Size
Waist
Hip

XS

S

M

L

XL

2XL

0

2-4

6-8

8-10

12-14

16

25

27

29

31

33 1/2

36

34 1/2

36 1/2

38 1/2

40 1/2

43

45 1/2

Size
US Size
Waist
Hip

XS

S

M

L

XL

2XL

0

2-4

6-8

8-10

12-14

16

63.5

68.5

73.5

78.8

85

91.5

87.5

92.5

97.8

103

109.5

115.5

Size chart

in

cm

Size
US Size
Under Bust
Chest

XS

S

M

L

XL

2XL

0

2-4

6-8

10-12

12-14

16

27 1/2

28 1/2

30

31 1/2

33 1/4

35 1/4

32 1/4

34

36

38

40

42 1/2

Size
US Size
Under Bust
Chest

XS

S

M

L

XL

2XL

0

2-4

6-8

10-12

12-14

16

70

72.5

76.5

80.5

84.5

89.5

82

86.5

91.5

96.5

101.5

108

Size chart

in

cm

Size
US Size
Chest
Waist

XS

S

M

L

XL

2XL

2

4

6-8

10-12

12-14

16

32

34

36

38

40 1/2

43

25

27

29

31

33 1/2

36

Size
US Size
Chest
Waist

XS

S

M

L

XL

2XL

2

4

6-8

10-12

12-14

16

81.5

86.5

91.5

96.5

103

109.5

63.5

68.5

73.5

78.8

85

91.5

How to measure

How to measure
Bust
  • Place the measuring tape around the fullest part of your chest directly under your arms.

  • Waist
  • Measure around your natural waistline at belly button level.

  • Hip
  • Measure around the fullest part of your body at the top of your leg.

  • Inseam
  • With no shoes on, measure from the groin down to the floor.

  • Pants
    Joggers & Sweatpants
    Tops
    Button Downs

    Size chart

    in

    cm

    Size
    Waist
    Hip

    28

    30

    31

    32

    33

    34

    36

    38

    28

    30

    31

    32

    33

    34

    36

    38

    34 1/2

    36 1/2

    37 1/2

    38 1/2

    39 1/2

    40 1/2

    42 1/2

    43 1/2

    Size
    Waist
    Hip

    28

    30

    31

    32

    33

    34

    36

    38

    71

    76

    78.5

    81.5

    84

    86.5

    91.5

    96.5

    84.5

    92.5

    95.5

    98

    100.5

    103

    108

    110.5

    Size chart

    in

    cm

    Size
    Waist
    Hip

    XS

    S

    M

    L

    XL

    28 1/2

    30 1/2

    32 1/2

    34 1/2

    38 1/2

    35

    37

    39

    41

    44

    Size
    Waist
    Hip

    XS

    S

    M

    L

    XL

    72.5

    77.5

    82.5

    87.5

    97.5

    89

    94

    99

    104

    111.5

    Size chart

    in

    cm

    Size
    Chest
    Waist

    XS

    S

    M

    L

    XL

    2XL

    36

    38

    40

    42

    45

    49

    28 1/2

    30 1/2

    32 1/2

    34 1/2

    38 1/2

    42

    Size
    chest
    Waist

    XS

    S

    M

    L

    XL

    2XL

    91.5

    96.5

    101.5

    106.5

    114.5

    124.5

    72.5

    77.5

    82.5

    87.5

    97.5

    106.5

    Size chart

    in

    cm

    Size
    Chest
    Waist
    Sleeve

    XS

    S

    M

    L

    XL

    2XL

    36

    38

    40

    42

    45

    49

    28 1/2

    30 1/2

    32 1/2

    34 1/2

    38 1/2

    42

    31 1/2

    32 1/4

    33

    33 3/4

    34 1/2

    35

    Size
    Chest
    Waist
    Sleeve

    XS

    S

    M

    L

    XL

    2XL

    91.5

    96.5

    101.5

    106.5

    114.5

    124.5

    72.5

    77.5

    82.5

    87.5

    97.5

    106.5

    80

    82

    84

    86

    87.5

    89

    How to measure

    Chest
  • Place the measuring tape around the fullest part of your chest directly under your arms.

  • Waist
  • Measure around your natural waistline at belly button level.

  • Hip
  • Measure around the fullest part of your body at the top of your leg.

  • Sleeve
  • Measure from center back neck to wrist.

  • ButterFlow™ Square Neck Longline Bra B/C Cups

    color :

    Just added

    Recently Viewed

    This longline sports bra offers medium support and added waist coverage without restriction. Made from soft, cool-to-touch ButterFlow™ fabric, it stretches with you while gently holding its shape—and is easy to put on and take off. A breathable underband keeps the bust secure, while wide straps and a cross-back design add stability without pressing on the shoulder blades. The square neckline gives it a clean look and added airflow.

    Built for running and high-intensity training, this bra delivers medium support with a secure feel. The longline length adds support without restriction, helping it stay comfortably in place through movement. Made with ButterFlow™ fabric, it remains breathable and smooth as intensity rises. A square neckline creates a clean, open frame across the chest, while wide straps and a cross-back design enhance stability without limiting shoulder movement.

    KEY FEATURES

    Icons_Outlined (3).png__PID:cd2e077c-277f-47fc-a1cf-e91fabd67bc6

    KEY FEATURES

    Icons_Outlined (6).png__PID:8a755709-a166-4040-ae3c-e0284709f60b

    ButterFlow™ fabric

    Medium support

    Longline style

    Cool-touch feel

    Breathable mesh lining

    Square neckline

    Cross-back design

    Wide, stay-flat straps

    Removable pads

    SIZE GUIDE

    Icons_Outlined (3).png__PID:cd2e077c-277f-47fc-a1cf-e91fabd67bc6

    SIZE GUIDE

    Icons_Outlined (6).png__PID:8a755709-a166-4040-ae3c-e0284709f60b

    Size Guide

    in

    cm

    Size
    US Size
    Under Bust
    Chest

    XS

    S

    M

    L

    XL

    2XL

    0

    2-4

    6-8

    10-12

    12-14

    16

    27 1/2

    28 1/2

    30

    31 1/2

    33 1/4

    35 1/4

    32 1/4

    34

    36

    38

    40

    42 1/2

    Size
    US Size
    Under Bust
    Chest

    XS

    S

    M

    L

    XL

    2XL

    0

    2-4

    6-8

    10-12

    12-14

    16

    70

    72.5

    76.5

    80.5

    84.5

    89.5

    82

    86.5

    91.5

    96.5

    101.5

    108

    MATERIAL & CARE

    Icons_Outlined (3).png__PID:cd2e077c-277f-47fc-a1cf-e91fabd67bc6

    MATERIAL & CARE

    Icons_Outlined (6).png__PID:8a755709-a166-4040-ae3c-e0284709f60b

    Material

    • Fabric: Nylon (TACTEL®) 83% Polyurethane (LYCRA®) 17% / Lining: Nylon (TACTEL®) 88%, Polyurethane (LYCRA®) 12%

    Care

    colors (4).png__PID:69731a5b-7978-4acf-86b4-ef3528ff13fb

    Wash with like colors (may bleed)

    do-not-wash (3).png__PID:ef3528ff-13fb-483d-ad90-74ba2a906545

    Do not soak

    detergent (2).png__PID:74ba2a90-6545-4b7c-80f6-ac8c5261c4c9

    Use mild detergent

    wash-gentle-30 (2).png__PID:ac8c5261-c4c9-4183-a915-5438235d783c

    Wash cold (86°F or below)

    do-not-dry-in-dryer (2).png__PID:5438235d-783c-4970-8924-758a7688c825

    Do not tumble dry

    do-not-dry-clean (2).png__PID:758a7688-c825-4b02-8b5f-ce2aa5942f64

    Do not dry clean

    remove-pads.png__PID:809fea67-6f0f-43c2-bc05-d003e7b13818

    Remove bra pads before wash

    SHIPPING & RETURN

    Icons_Outlined (3).png__PID:cd2e077c-277f-47fc-a1cf-e91fabd67bc6

    SHIPPING & RETURN

    Icons_Outlined (6).png__PID:8a755709-a166-4040-ae3c-e0284709f60b

    Shipping

    Standard shipping: $5

    Express shipping: $15

    Free shipping

    Free standard shipping on orders over $50

    Free express shipping on orders over $200

    Returns

    Returns are accepted within 30 days with a $10 return fee. If your order included a free gift, please return it with the item.

    스크롤핸들.png__PID:8d172acb-b729-4fc0-9663-fb0df1a6bcdf

    Product key features

    Icons_Outlined (7).png__PID:9f0fd1f3-21d5-447e-8dae-f468b47b148eIcons_Filled (1).png__PID:9c5f37e1-e694-4bc0-849e-052bca3209dc

    Fabric

    Size & Fit

    Shipping & Return

    Material & Care

    Product Details

    ButterFlow™ Square Neck Longline Bra B_C Cups_1.jpg__PID:41f750da-a59f-4b6c-bfdd-bb3b00ece1f1

    ButterFlow™ Performance Fabric

    Lightweight and cool to the touch, ButterFlow™ is engineered for breathability and resilient stretch—designed to move smoothly with your body during training.

    ButterFlow™ Square Neck Longline Bra B_C Cups_2.jpg__PID:f750daa5-9f2b-4c7f-9dbb-3b00ece1f1dc

    Wide Straps + Cross-Back

    Wide straps and a cross-back layout provide balanced stability while helping distribute pressure evenly across the shoulders.

    Airhole Bra Pads.jpg__PID:cfb8d435-6cef-4876-9f5f-93623fc4483c

    Removable Pads for Performance

    Soft, breathable pads are designed to stay in place during movement. Ensure the SYS symbols are centered when inserting the pads.

    Good Matches

    #color_sandalwood brown

    ButterFlow™ Flare Legging 31"

    $77.00
    $110.00
    #color_anthracite gray

    ButterFlow™ Short 5.5"

    $63.00
    #color_sandalwood brown

    ButterFlow™ High-Rise Legging 25"

    $68.60
    $98.00
    #color_oil green

    ButterFlow™ Pocket Biker Short 8.5"

    $51.80
    $74.00
    #color_black

    ButterFlow™ Pocket Wide Leg Pant (Tall)

    $87.50
    $125.00
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