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Find your perfect fit
MELISSA FIT GUIDE – SIZING BY STAGE, CM & INCH
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Unlock the perfect fit with our easy-to-follow underwear sizing guide. Learn how to measure your waist, hips, and underbust accurately to find the size that feels just right. With expert tips and stage-based guidance, our fit guide helps you choose underwear that’s both comfortable and confidence-boosting. Precision meets comfort—tailored for growing bodies, made for every stage.
First Bloom (Early Development) | Age 6–11
M
L
XL
2XL
3XL
Underbust (cm)
50–52
54–56
58–60
62–64
66–68
Weight (kg)
22–30
30–38
38–45
45–53
53–60
Age (yrs)
6–7
8–9
10
10–11
11
EU Size (approx.)
65A
70A
75A
80A
85A
US Cup Ref.
30A
32A
34A
36A
38A
M
L
XL
2XL
3XL
Underbust (cm)
50–52
54–56
58–60
62–64
66–68
Weight (kg)
22–30
30–38
38–45
45–53
53–60
Age (yrs)
6–7
8–9
10
10–11
11
EU Size (approx.)
65A
70A
75A
80A
85A
US Cup Ref.
30A
32A
34A
36A
38A
M
L
XL
2XL
3XL
Underbust (in)
19.7–20.5
21.3–22.0
22.8–23.6
24.4–25.2
26.0–26.8
Weight (lbs)
48–66
66–84
84–99
99–117
117–132
Age (yrs)
6–7
8–9
10
10–11
11
EU Size (approx.)
65A
70A
75A
80A
85A
US Cup Ref.
30A
32A
34A
36A
38A
M
L
XL
2XL
3XL
Underbust (in)
19.7–20.5
21.3–22.0
22.8–23.6
24.4–25.2
26.0–26.8
Weight (lbs)
48–66
66–84
84–99
99–117
117–132
Age (yrs)
6–7
8–9
10
10–11
11
EU Size (approx.)
65A
70A
75A
80A
85A
US Cup Ref.
30A
32A
34A
36A
38A
Sizes are for reference only. For high precision and the best fit, please check the detailed measurements provided on each product page.
Growing Grace (Mid Development) | Age 11–15
M
L
XL
2XL
3XL
4XL
5XL
Underbust (cm)
56–58
60–62
64–66
68–70
72–74
76–78
80–82
Weight (kg)
37–45
45–53
53–60
60–68
68–75
75–82
82–90
Age (yrs)
11–12
12–13
13–14
14–15
15–16
15–17
16–18
EU Size (approx.)
70B
75B
80B
85B
90B
95B
100B
US Cup Ref.
32A
34A
36A
38A
40A
42A
44A
M
L
XL
2XL
3XL
4XL
5XL
Underbust (cm)
56–58
60–62
64–66
68–70
72–74
76–78
80–82
Weight (kg)
37–45
45–53
53–60
60–68
68–75
75–82
82–90
Age (yrs)
11–12
12–13
13–14
14–15
15–16
15–17
16–18
EU Size (approx.)
70B
75B
80B
85B
90B
95B
100B
US Cup Ref.
32A
34A
36A
38A
40A
42A
44A
M
L
XL
2XL
3XL
4XL
5XL
Underbust (in)
22.0–22.8
23.6–24.4
25.2–26.0
26.8–27.6
28.3–29.1
29.9–30.7
31.5–32.3
Weight (lbs)
82–99
99–117
117–132
132–150
150–165
165–181
181–198
Age (yrs)
11–12
12–13
13–14
14–15
15–16
15–17
16–18
EU Size (approx.)
70B
75B
80B
85B
90B
95B
100B
US Cup Ref.
32A
34A
36A
38A
40A
42A
44A
M
L
XL
2XL
3XL
4XL
5XL
Underbust (in)
22.0–22.8
23.6–24.4
25.2–26.0
26.8–27.6
28.3–29.1
29.9–30.7
31.5–32.3
Weight (lbs)
82–99
99–117
117–132
132–150
150–165
165–181
181–198
Age (yrs)
11–12
12–13
13–14
14–15
15–16
15–17
16–18
EU Size (approx.)
70B
75B
80B
85B
90B
95B
100B
US Cup Ref.
32A
34A
36A
38A
40A
42A
44A
Sizes are for reference only. For high precision and the best fit, please check the detailed measurements provided on each product page.
Confident Bloom (Late Development) | Age 15–18+
M
L
XL
2XL
3XL
Underbust (cm)
62–64
66–68
70–72
74–76
78–80
Weight (kg)
45–53
53–60
60–68
68–75
75–82
Age (yrs)
15–16
16–17
17–18
18+
18+
EU Size (approx.)
75B
80B
85B
90B
95B
US Cup Ref.
34A
36A
38A
40A
42A
M
L
XL
2XL
3XL
Underbust (cm)
62–64
66–68
70–72
74–76
78–80
Weight (kg)
45–53
53–60
60–68
68–75
75–82
Age (yrs)
15–16
16–17
17–18
18+
18+
EU Size (approx.)
75B
80B
85B
90B
95B
US Cup Ref.
34A
36A
38A
40A
42A
M
L
XL
2XL
3XL
Underbust (in)
24.4–25.2
26.0–26.8
27.6–28.3
29.1–29.9
30.7–31.5
Weight (lbs)
99–117
117–132
132–150
150–165
165–181
Age (yrs)
15–16
16–17
17–18
18+
18+
EU Size (approx.)
75B
80B
85B
90B
95B
US Cup Ref.
34A
36A
38A
40A
42A
M
L
XL
2XL
3XL
Underbust (in)
24.4–25.2
26.0–26.8
27.6–28.3
29.1–29.9
30.7–31.5
Weight (lbs)
99–117
117–132
132–150
150–165
165–181
Age (yrs)
15–16
16–17
17–18
18+
18+
EU Size (approx.)
75B
80B
85B
90B
95B
US Cup Ref.
34A
36A
38A
40A
42A
Sizes are for reference only. For high precision and the best fit, please check the detailed measurements provided on each product page.
Contact us
Please do not hesitate to check our customer support for common questions regarding orders. If you can't find an answer to your questions, please contact us.