Size Charts

Find your perfect fit with our size guides.

Measurements are shown in both IN and CM (baby weights: LBS and KG). Swipe tables sideways on small screens when needed.

Bras & Camis

Select your band and cup size to find the corresponding Regular, Busty, or Super Busty fit. The fit chart is a general guide; individual products may differ.

To choose a bra size, first check your band and cup size, then read across the table to find the corresponding Regular, Busty, or Super Busty fit. For the most accurate guidance, check your product page.

KB Size	Band	Regular			Busty				Super Busty
KB Size	Band	B	C	D	E	F	G	H	I	J	K
XS	28	Regular XS	Regular XS	Regular XS	—	—	—	—	—	—	—
S	30	Regular S	Regular S	Regular S	Busty S	Busty S	Busty S	Busty S	Super Busty S	Super Busty S	Super Busty S
S	32	Regular S	Regular S	Regular S	Busty S	Busty S	Busty S	Busty S	Super Busty S	Super Busty S	Super Busty S
M	34	Regular M	Regular M	Regular M	Busty M	Busty M	Busty M	Busty M	Super Busty M	Super Busty M	Super Busty M
L	36	Regular L	Regular L	Regular L	Busty L	Busty L	Busty L	Busty L	Super Busty L	Super Busty L	Super Busty L
XL	38	Regular XL	Regular XL	Regular XL	Busty XL	Busty XL	Busty XL	Busty XL	Super Busty XL	Super Busty XL	Super Busty XL
XL	40	Regular XL	Regular XL	Regular XL	Busty XL	Busty XL	Busty XL	Busty XL	Super Busty XL	Super Busty XL	Super Busty XL
1X	42	Regular 1X	Regular 1X	Regular 1X	Busty 1X	Busty 1X	Busty 1X	Busty 1X	Super Busty 1X	Super Busty 1X	Super Busty 1X
1X	44	Regular 1X	Regular 1X	Regular 1X	Busty 1X	Busty 1X	Busty 1X	Busty 1X	Super Busty 1X	Super Busty 1X	Super Busty 1X
2X	46	Regular 2X	Regular 2X	Regular 2X	Busty 2X	Busty 2X	Busty 2X	Busty 2X	Super Busty 2X	Super Busty 2X	Super Busty 2X
3X	48	—	—	—	Busty 3X	Busty 3X	Busty 3X	Busty 3X	—	—	—

Swipe horizontally on mobile to view B–K cup sizes. Band labels remain US bra sizing codes when CM is selected.

How to Measure

1. UnderbustWrap the tape directly under the bust, level and snug.

2. Fullest BustMeasure around the fullest area without compressing.

3. CompareUse band and cup size together, then review the individual product fit notes.

For product-specific guidance, see the original fitting guide.

Underwear

Use the fullest hip measurement to choose a size.

KB Size	US Size	Hips (IN / CM)
XS	00–0	30–32 76.2–81.3
S	2–4	33–35 83.8–88.9
M	6–8	36–38 91.4–96.5
L	10–12	39–41 99.1–104.1
XL	12–14	42–44 106.7–111.8
1X	16–18	45–47 114.3–119.4
2X	20–22	48–50 121.9–127
3X	24–26	51–53 129.5–134.6

Sizing can vary by material and style. Use your current hip measurement to find the best starting size.

Clothing

Measurements refer to the body, not the finished garment.

KB Size	US Size	Fullest Bust (IN / CM)	Waist (IN / CM)	Hips (IN / CM)
XS	00–0	28–30 71.1–76.2	24–26 61–66	32–34 81.3–86.4
S	2–4	31–34 78.7–86.4	27–30 68.6–76.2	35–37 88.9–94
M	6–8	35–38 88.9–96.5	31–33 78.7–83.8	38–40 96.5–101.6
L	10–12	39–42 99.1–106.7	34–36 86.4–91.4	41–43 104.1–109.2
XL	12–14	43–46 109.2–116.8	37–39 94–99.1	44–46 111.8–116.8
1X	16–18	47–50 119.4–127	40–43 101.6–109.2	47–50 119.4–127
2X	20–22	51–54 129.5–137.2	44–47 111.8–119.4	50–53 127–134.6
3X	24–26	55–58 139.7–147.3	48–51 121.9–129.5	53–56 134.6–142.2
4X	28–30	57–59 144.8–149.9	51–54 129.5–137.2	56–59 142.2–149.9

During pregnancy, prioritize bust and hip measurements rather than the waist measurement. Check garment-specific fit guidance.

Robes

KB Size	US Size	Fullest Bust (IN / CM)	Waist (IN / CM)	Hips (IN / CM)
S/M	2–8	31–38 78.7–96.5	27–33 68.6–83.8	35–40 88.9–101.6
L/XL	10–14	39–46 99.1–116.8	34–39 86.4–99.1	41–46 104.1–116.8
1X/2X	16–22	47–54 119.4–137.2	40–45 101.6–114.3	47–51 119.4–129.5
3X/4X	22–26	55–58 139.7–147.3	46–51 116.8–129.5	52–56 132.1–142.2

Fit can vary by robe design. Use current measurements, and follow any instructions shown on the product page.

Labor Gowns

Universal Labor Gowns

KB Size	Bump Size (IN / CM)
S/M/L	Up to 45 Up to 114.3
XL/XXL	46–51 116.8–129.5
1X/2X	52–57 132.1–144.8
3X/4X	58–62 147.3–157.5

Ruffle Labor Gowns

KB Size	Bump Size (IN / CM)
XS/S	Up to 41 Up to 104.1
M/L	42–45 106.7–114.3
XL/1X	46–51 116.8–129.5
2X/3X	52–57 132.1–144.8

Measure the fullest part of the baby bump and consult the specific gown product page.

Swimwear

KB Size	US Size	Underbust (IN / CM)	Fullest Bust (IN / CM)	Waist (IN / CM)	Hips (IN / CM)	Torso (IN / CM)
S	2–4	30–32 76.2–81.3	33–37 83.8–94	27–30 68.6–76.2	35–37 88.9–94	27 68.6
S-BUSTY	2–4	30–32 76.2–81.3	38–41 96.5–104.1	27–30 68.6–76.2	35–37 88.9–94	27 68.6
M	6–8	34–36 86.4–91.4	36–40 91.4–101.6	31–33 78.7–83.8	38–40 96.5–101.6	28 71.1
M-BUSTY	6–8	34–36 86.4–91.4	42–45 106.7–114.3	31–33 78.7–83.8	38–40 96.5–101.6	28 71.1
L	10–12	36 91.4	39–43 99.1–109.2	34–36 86.4–91.4	41–43 104.1–109.2	29 73.7
L-BUSTY	10–12	36 91.4	46–49 116.8–124.5	34–36 86.4–91.4	41–43 104.1–109.2	29 73.7
XL	12–14	38–40 96.5–101.6	42–46 106.7–116.8	37–39 94–99.1	44–46 111.8–116.8	30 76.2
XL-BUSTY	12–14	38–40 96.5–101.6	49–52 124.5–132.1	37–39 94–99.1	44–46 111.8–116.8	30 76.2
1X	16–18	42–44 106.7–111.8	45–49 114.3–124.5	40–42 101.6–106.7	47–49 119.4–124.5	31 78.7
1X-BUSTY	16–18	42–44 106.7–111.8	53–56 134.6–142.2	40–42 101.6–106.7	47–49 119.4–124.5	31 78.7

Swim styles can have a different fit from everyday clothing. Use the chart for the relevant product where available.

Baby Apparel

Size	Height (IN / CM)	Weight (LBS / KG)
Preemie	15–18 38.1–45.7	3–5 1.4–2.3
NB	18–21 45.7–53.3	5–8 2.3–3.6
0–3m	21–23 53.3–58.4	8–12 3.6–5.4
3–6m	23–27 58.4–68.6	12–17 5.4–7.7
6–12m	27–29 68.6–73.7	17–22 7.7–10
12–18m	29–31 73.7–78.7	22–26 10–11.8
18–24m	31–33 78.7–83.8	26–30 11.8–13.6
2T	33–36 83.8–91.4	30–33 13.6–15
3T	36–39 91.4–99.1	33–36 15–16.3
4T	39–42 99.1–106.7	36–40 16.3–18.1