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There is no single measurement method to determine bra size what bra size will work for every body. The only reliable way to determine bra size is to try on finished bras made from that pattern. Given the bra sizing challenge, we recommend starting by making your ready-to-wear size.
If you do not have a ready-to-wear size or at a loss for what size to start with, we offer the below sizing guidelines for our bra sewing patterns. If you have any sizing questions, feel free to contact us!
DIFFERENCE | CUP SIZE |
1" | A |
2" | B |
3" | C |
4" | D |
5" | DD or E |
6" | DDD or F |
7" | G |
8" | H |
9" | I |
10" | J |
Sister sizes are bra sizes that have the same bra cup volume and underwire size. The difference between sister sizes is the size of the band. For example, the sizes 30D, 32C, 34B and 36A all have the same cup volume and use the same underwire. The difference between those sizes is the band. This blog post has instructions for how to modify the band to reach the sister sizes on this table.
WIRE | BRA SIZE | |||||||||
28 | 30A | |||||||||
30 | 30B | 32A | ||||||||
32 | 30C | 32B | 34A | |||||||
34 | 30D | 32C | 34B | 36A | ||||||
36 | 30DD | 32D | 34C | 36B | 38A | |||||
38 | 30DDD | 32DD | 34D | 36C | 38B | 40A | ||||
40 | 30G | 32DDD | 34DD | 36D | 38C | 40B | 42A | |||
42 | 30H | 32G | 34DDD | 36DD | 38D | 40C | 42B | 44A | ||
44 | 30I | 32H | 34G | 36DDD | 38DD | 40D | 42C | 44B | 46A | |
46 | 30J | 32I | 34H | 36G | 38DDD | 40DD | 42D | 44C | 46B | 48A |
48 | 32J | 34I | 36H | 38G | 40DDD | 42DD | 44D | 46C | 48B | |
50 | 34J | 36I | 38H | 40G | 42DDD | 44DD | 46D | 48C | ||
52 | 36J | 38I | 40H | 42G | 44DDD | 46DD | 48D | |||
54 | 38J | 40I | 42H | 44G | 46DDD | 48DD | ||||
56 | 40J | 42I | 44H | 46G | 48DDD |
Note: Only the Marlborough, Boylston and Devonshire bras cover the entire range. The remainder of the bra patterns extend from A to DD only.
USA | UK | France, Spain, Belgium | Italy, Czech Republic | EU, Japan | Australia, New Zealand |
AA | AA | AA | --- | AA | --- |
A | A | A | A | A | A |
B | B | B | B | B | B |
C | C | C | C | C | C |
D | D | D | D | D | D |
DD or E | DD | E | DD | E | DD |
DDD or F | E | F | E | F | E |
DDDD or G | F | G | F | G | F |
DDDDD or H | FF | H | FF | H | FF |
I | G | I | G | I | G |
J | GG | J | GG | J | GG |
USA | UK | France, Spain, Belgium | Italy, Czech Republic | EU, Japan | Australia, New Zealand |
30 | 30 | 80 | 0 | 65 | 8 |
32 | 32 | 85 | 1 | 70 | 10 |
34 | 34 | 90 | 2 | 75 | 12 |
36 | 36 | 95 | 3 | 80 | 14 |
38 | 38 | 100 | 4 | 85 | 16 |
40 | 40 | 105 | 5 | 90 | 18 |
42 | 42 | 110 | 6 | 95 | 20 |
44 | 44 | 115 | 7 | 100 | 22 |
46 | 46 | 120 | 8 | 105 | 24 |
48 | 48 | 125 | 9 | 110 | 26 |
50 | 50 | 130 | 10 | 115 | 28 |
Underwear patterns are based on a waist and hip measurement.
SIZE | WAIST (inches) | HIP (inches) |
XS | 24 -25 | 34.5 - 35.5 |
S | 26 - 27 | 36.5 - 37.5 |
M | 28 -29 | 38.5 - 39.5 |
L | 30 - 32 | 41 - 42.5 |
XL | 34 -36 | 44.5 - 46 |
Garment patterns are based on bust, waist and hip measurements.
IMPERIAL |
0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
BUST | 32 | 33 | 34 | 35 | 36 | 37 | 38.5 | 40 | 42 | 44 | 46 |
WAIST | 24 | 25 | 26 | 27 | 28 | 29 | 30.5 | 32 | 34 | 36 | 38 |
HIPS | 35 | 36 | 37 | 38 | 39 | 40 | 41.5 | 43 | 45 | 47 | 49 |
METRIC (centimeters) |
0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
BUST | 81 | 84 | 86 | 89 | 91 | 94 | 98 | 102 | 107 | 112 | 117 |
WAIST | 61 | 64 | 66 | 69 | 71 | 74 | 77 | 81 | 86 | 91 | 97 |
HIPS | 89 | 91 | 94 | 97 | 99 | 102 | 105 | 109 | 114 | 119 | 125 |
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There is no single measurement method to determine bra size what bra size will work for every body. The only reliable way to determine bra size is to try on finished bras made from that pattern. Given the bra sizing challenge, we recommend starting by making your ready-to-wear size.
If you do not have a ready-to-wear size or at a loss for what size to start with, we offer the below sizing guidelines for our bra sewing patterns. If you have any sizing questions, feel free to contact us!
DIFFERENCE | CUP SIZE |
1" | A |
2" | B |
3" | C |
4" | D |
5" | DD or E |
6" | DDD or F |
7" | G |
8" | H |
9" | I |
10" | J |
Sister sizes are bra sizes that have the same bra cup volume and underwire size. The difference between sister sizes is the size of the band. For example, the sizes 30D, 32C, 34B and 36A all have the same cup volume and use the same underwire. The difference between those sizes is the band. This blog post has instructions for how to modify the band to reach the sister sizes on this table.
WIRE | BRA SIZE | |||||||||
28 | 30A | |||||||||
30 | 30B | 32A | ||||||||
32 | 30C | 32B | 34A | |||||||
34 | 30D | 32C | 34B | 36A | ||||||
36 | 30DD | 32D | 34C | 36B | 38A | |||||
38 | 30DDD | 32DD | 34D | 36C | 38B | 40A | ||||
40 | 30G | 32DDD | 34DD | 36D | 38C | 40B | 42A | |||
42 | 30H | 32G | 34DDD | 36DD | 38D | 40C | 42B | 44A | ||
44 | 30I | 32H | 34G | 36DDD | 38DD | 40D | 42C | 44B | 46A | |
46 | 30J | 32I | 34H | 36G | 38DDD | 40DD | 42D | 44C | 46B | 48A |
48 | 32J | 34I | 36H | 38G | 40DDD | 42DD | 44D | 46C | 48B | |
50 | 34J | 36I | 38H | 40G | 42DDD | 44DD | 46D | 48C | ||
52 | 36J | 38I | 40H | 42G | 44DDD | 46DD | 48D | |||
54 | 38J | 40I | 42H | 44G | 46DDD | 48DD | ||||
56 | 40J | 42I | 44H | 46G | 48DDD |
Note: Only the Marlborough, Boylston and Devonshire bras cover the entire range. The remainder of the bra patterns extend from A to DD only.
USA | UK | France, Spain, Belgium | Italy, Czech Republic | EU, Japan | Australia, New Zealand |
AA | AA | AA | --- | AA | --- |
A | A | A | A | A | A |
B | B | B | B | B | B |
C | C | C | C | C | C |
D | D | D | D | D | D |
DD or E | DD | E | DD | E | DD |
DDD or F | E | F | E | F | E |
DDDD or G | F | G | F | G | F |
DDDDD or H | FF | H | FF | H | FF |
I | G | I | G | I | G |
J | GG | J | GG | J | GG |
USA | UK | France, Spain, Belgium | Italy, Czech Republic | EU, Japan | Australia, New Zealand |
30 | 30 | 80 | 0 | 65 | 8 |
32 | 32 | 85 | 1 | 70 | 10 |
34 | 34 | 90 | 2 | 75 | 12 |
36 | 36 | 95 | 3 | 80 | 14 |
38 | 38 | 100 | 4 | 85 | 16 |
40 | 40 | 105 | 5 | 90 | 18 |
42 | 42 | 110 | 6 | 95 | 20 |
44 | 44 | 115 | 7 | 100 | 22 |
46 | 46 | 120 | 8 | 105 | 24 |
48 | 48 | 125 | 9 | 110 | 26 |
50 | 50 | 130 | 10 | 115 | 28 |
Underwear patterns are based on a waist and hip measurement.
SIZE | WAIST (inches) | HIP (inches) |
XS | 24 -25 | 34.5 - 35.5 |
S | 26 - 27 | 36.5 - 37.5 |
M | 28 -29 | 38.5 - 39.5 |
L | 30 - 32 | 41 - 42.5 |
XL | 34 -36 | 44.5 - 46 |
Garment patterns are based on bust, waist and hip measurements.
IMPERIAL |
0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
BUST | 32 | 33 | 34 | 35 | 36 | 37 | 38.5 | 40 | 42 | 44 | 46 |
WAIST | 24 | 25 | 26 | 27 | 28 | 29 | 30.5 | 32 | 34 | 36 | 38 |
HIPS | 35 | 36 | 37 | 38 | 39 | 40 | 41.5 | 43 | 45 | 47 | 49 |
METRIC (centimeters) |
0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
BUST | 81 | 84 | 86 | 89 | 91 | 94 | 98 | 102 | 107 | 112 | 117 |
WAIST | 61 | 64 | 66 | 69 | 71 | 74 | 77 | 81 | 86 | 91 | 97 |
HIPS | 89 | 91 | 94 | 97 | 99 | 102 | 105 | 109 | 114 | 119 | 125 |
Digital Download will be instantly delivered to your email inbox upon purchase
There is no single measurement method to determine bra size what bra size will work for every body. The only reliable way to determine bra size is to try on finished bras made from that pattern. Given the bra sizing challenge, we recommend starting by making your ready-to-wear size.
If you do not have a ready-to-wear size or at a loss for what size to start with, we offer the below sizing guidelines for our bra sewing patterns. If you have any sizing questions, feel free to contact us!
DIFFERENCE | CUP SIZE |
1" | A |
2" | B |
3" | C |
4" | D |
5" | DD or E |
6" | DDD or F |
7" | G |
8" | H |
9" | I |
10" | J |
Sister sizes are bra sizes that have the same bra cup volume and underwire size. The difference between sister sizes is the size of the band. For example, the sizes 30D, 32C, 34B and 36A all have the same cup volume and use the same underwire. The difference between those sizes is the band. This blog post has instructions for how to modify the band to reach the sister sizes on this table.
WIRE | BRA SIZE | |||||||||
28 | 30A | |||||||||
30 | 30B | 32A | ||||||||
32 | 30C | 32B | 34A | |||||||
34 | 30D | 32C | 34B | 36A | ||||||
36 | 30DD | 32D | 34C | 36B | 38A | |||||
38 | 30DDD | 32DD | 34D | 36C | 38B | 40A | ||||
40 | 30G | 32DDD | 34DD | 36D | 38C | 40B | 42A | |||
42 | 30H | 32G | 34DDD | 36DD | 38D | 40C | 42B | 44A | ||
44 | 30I | 32H | 34G | 36DDD | 38DD | 40D | 42C | 44B | 46A | |
46 | 30J | 32I | 34H | 36G | 38DDD | 40DD | 42D | 44C | 46B | 48A |
48 | 32J | 34I | 36H | 38G | 40DDD | 42DD | 44D | 46C | 48B | |
50 | 34J | 36I | 38H | 40G | 42DDD | 44DD | 46D | 48C | ||
52 | 36J | 38I | 40H | 42G | 44DDD | 46DD | 48D | |||
54 | 38J | 40I | 42H | 44G | 46DDD | 48DD | ||||
56 | 40J | 42I | 44H | 46G | 48DDD |
Note: Only the Marlborough, Boylston and Devonshire bras cover the entire range. The remainder of the bra patterns extend from A to DD only.
USA | UK | France, Spain, Belgium | Italy, Czech Republic | EU, Japan | Australia, New Zealand |
AA | AA | AA | --- | AA | --- |
A | A | A | A | A | A |
B | B | B | B | B | B |
C | C | C | C | C | C |
D | D | D | D | D | D |
DD or E | DD | E | DD | E | DD |
DDD or F | E | F | E | F | E |
DDDD or G | F | G | F | G | F |
DDDDD or H | FF | H | FF | H | FF |
I | G | I | G | I | G |
J | GG | J | GG | J | GG |
USA | UK | France, Spain, Belgium | Italy, Czech Republic | EU, Japan | Australia, New Zealand |
30 | 30 | 80 | 0 | 65 | 8 |
32 | 32 | 85 | 1 | 70 | 10 |
34 | 34 | 90 | 2 | 75 | 12 |
36 | 36 | 95 | 3 | 80 | 14 |
38 | 38 | 100 | 4 | 85 | 16 |
40 | 40 | 105 | 5 | 90 | 18 |
42 | 42 | 110 | 6 | 95 | 20 |
44 | 44 | 115 | 7 | 100 | 22 |
46 | 46 | 120 | 8 | 105 | 24 |
48 | 48 | 125 | 9 | 110 | 26 |
50 | 50 | 130 | 10 | 115 | 28 |
Underwear patterns are based on a waist and hip measurement.
SIZE | WAIST (inches) | HIP (inches) |
XS | 24 -25 | 34.5 - 35.5 |
S | 26 - 27 | 36.5 - 37.5 |
M | 28 -29 | 38.5 - 39.5 |
L | 30 - 32 | 41 - 42.5 |
XL | 34 -36 | 44.5 - 46 |
Garment patterns are based on bust, waist and hip measurements.
IMPERIAL |
0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
BUST | 32 | 33 | 34 | 35 | 36 | 37 | 38.5 | 40 | 42 | 44 | 46 |
WAIST | 24 | 25 | 26 | 27 | 28 | 29 | 30.5 | 32 | 34 | 36 | 38 |
HIPS | 35 | 36 | 37 | 38 | 39 | 40 | 41.5 | 43 | 45 | 47 | 49 |
METRIC (centimeters) |
0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
BUST | 81 | 84 | 86 | 89 | 91 | 94 | 98 | 102 | 107 | 112 | 117 |
WAIST | 61 | 64 | 66 | 69 | 71 | 74 | 77 | 81 | 86 | 91 | 97 |
HIPS | 89 | 91 | 94 | 97 | 99 | 102 | 105 | 109 | 114 | 119 | 125 |
The Boylston bra first appeared in an article Norma wrote for Threads Magazine (Issue #174). This pattern is incredibly versatile allowing you to make your own custom foam bra, standard cut-and-sew bra or even bikini top.
The Boylston is a versatile and supportive full frame underwire bra for everyday featuring:
Notable Sewing Pattern Features:
Available in either A to DD or DDD to J size ranges for 30 to 40 band sizes. Please select the correct size!
Printing Note:
Find your size to select which pages to print. The complete document is over 75 pages.
© Orange Lingerie 2014-2016. For individual use only, commercial production from this pattern is prohibited.
Now is always the best time to buy. Everyone pays the same, best price every time. We don’t mess with sales, discounts or coupons.
All pattern pieces are separate, not nested, and clearly show the seam allowance and/or trim allowance as applicable. This allows for construction clarity and simplifies any pattern alterations.
The instructions are professionally illustrated, making the seemingly complex steps of bra construction very clear and easy to understand.
This pattern was graded by professionals who send their output directly into production so you can be extra confident that you have a great starting point for your garment.
I have not had time to use it. Now that Christmas is over I will be able to do it. It looks good.
The Boylston Bra is a great addition to my bra repertoire. It fit me wonderfully with only minor adjustments. I was looking for a supportive piece to use some of my wonderful non stretch laces. Pieces fit together perfectly, instructions assume some bra making experience. Very happy with this!
Super.
I haven't made an underwire bra before but was able to using this pattern due to the detailed instructions. Despite making a toile I did need to go back and lengthen the back per blog post. I also used an online tutorial to make foam cups. An extension or tutorial for this alternative would be great. A bit more of a guide as to how much to stretch the band elastic between the cups and underarms would have been helpful as I had to unpick a couple of times. Love how it looks and have already started my second.
The bra pieces fit together well. I've made 40 G H I and J.
I shall make many bras from this pattern.
1. However, there is too little information on the pattern pieces. Marking the cross cup seam and/or the wire line on the bottom cups should be obvious.
2. The 2nd problem I have is with the measuring and sizing. The website does the underbust +4 inches measuring system and uses wire sizes for the underbust +4 inches method.
3. The instructions for the larger sizes uses the actual underbust measurement. So which cup size is correct? +1 inch for each cup size from the actual underbust or from the underbust plus 4.
4. Are the wire sizes the same for the underbust plus 4 inches eg 40+4=44 and the actual underbust 40 inches?
Using 2 different measuring systems is confusing and wasteful.
5. The sizing information on page 3 goes from cup size A to cup size DD - none of which apply to the larger sizes.
Hi Anne,
Thank you for your feedback! We just corrected the DDD to J size pattern Sizing Information section to reflect the correct cup sizes. It looks like we did not have the correct table there when we updated the files for our branding in late 2021.
We understand sizing can be difficult and we have made every attempt to simplify that with our blog posts on sizing (https://orange-lingerie.com/blogs/news/sizing-guidance and https://orange-lingerie.com/blogs/news/the-reason-why-bra-sizing-is-complicated).
The bottom line is that we find a ready-to-wear size the best indicator of which size bra will work best and that measurements do not work on their own. As part of this sizing simplification effort, we stopped recommending the +4 method so I am not sure where that is showing up? We were unable to locate that on our site.
Know that we are available to help with any sizing questions! We want you to be able to make your own beautiful and great fitting bras.
Team Orange Lingerie
I have not had time to use it. Now that Christmas is over I will be able to do it. It looks good.
The Boylston Bra is a great addition to my bra repertoire. It fit me wonderfully with only minor adjustments. I was looking for a supportive piece to use some of my wonderful non stretch laces. Pieces fit together perfectly, instructions assume some bra making experience. Very happy with this!
Super.
I haven't made an underwire bra before but was able to using this pattern due to the detailed instructions. Despite making a toile I did need to go back and lengthen the back per blog post. I also used an online tutorial to make foam cups. An extension or tutorial for this alternative would be great. A bit more of a guide as to how much to stretch the band elastic between the cups and underarms would have been helpful as I had to unpick a couple of times. Love how it looks and have already started my second.
The bra pieces fit together well. I've made 40 G H I and J.
I shall make many bras from this pattern.
1. However, there is too little information on the pattern pieces. Marking the cross cup seam and/or the wire line on the bottom cups should be obvious.
2. The 2nd problem I have is with the measuring and sizing. The website does the underbust +4 inches measuring system and uses wire sizes for the underbust +4 inches method.
3. The instructions for the larger sizes uses the actual underbust measurement. So which cup size is correct? +1 inch for each cup size from the actual underbust or from the underbust plus 4.
4. Are the wire sizes the same for the underbust plus 4 inches eg 40+4=44 and the actual underbust 40 inches?
Using 2 different measuring systems is confusing and wasteful.
5. The sizing information on page 3 goes from cup size A to cup size DD - none of which apply to the larger sizes.
Hi Anne,
Thank you for your feedback! We just corrected the DDD to J size pattern Sizing Information section to reflect the correct cup sizes. It looks like we did not have the correct table there when we updated the files for our branding in late 2021.
We understand sizing can be difficult and we have made every attempt to simplify that with our blog posts on sizing (https://orange-lingerie.com/blogs/news/sizing-guidance and https://orange-lingerie.com/blogs/news/the-reason-why-bra-sizing-is-complicated).
The bottom line is that we find a ready-to-wear size the best indicator of which size bra will work best and that measurements do not work on their own. As part of this sizing simplification effort, we stopped recommending the +4 method so I am not sure where that is showing up? We were unable to locate that on our site.
Know that we are available to help with any sizing questions! We want you to be able to make your own beautiful and great fitting bras.
Team Orange Lingerie
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