$70.00

BLACK FRIDAY ELIGIBLE

PRICE MATCH GUARANTEE

Colour — Black

Black

Galaxy Blue

Size —

×

SIZE GUIDE

Men's

US	UK	EU	JP (CM)
4	3.5	36	22
4.5	4	37	22.5
5	4.5	37.5	23
5.5	5	38	23.5
6	5.5	38.5	24
6.5	6	39.5	24.5
7	6.5	40	25
7.5	7	40.5	25.5
8	7.5	41.5	26
8.5	8	42	26.5
9	8.5	42.5	27
9.5	9	43	27.5
10	9.5	44	28
10.5	10	44.5	28.5
11	10.5	45	29
11.5	11	45.5	29.5
12	11.5	46.5	30
12.5	12	47	30.5
13	12.5	47.5	31
14	13.5	49	32
15	14.5	50	33

Click Here For Measuring Tool

	CHEST	WAIST	SEAT
XS	33"–35"	27"–29"	32"–34"
S	35"–38"	29"–31"	34"–37"
M	38"–41"	31"–34"	37"–40"
L	41"–44"	34"–37"	40"–43"
XL	44"–48"	37"–41"	43"–46"
XXL	48"–53"	41"–46"	46"–50"
3XL	53"–57"	46"–50"	50"–54"

Women's

US	UK	EU	JP (CM)
4	2	34	21
4.5	2.5	34.5	21.5
5	3	35	22
5.5	3.5	36	22.5
6	4	36.5	22.5
6.5	4.5	37	23.5
7	5	37.5	24
7.5	5.5	38	24.5
8	6	39	25
8.5	6.5	40	25.5
9	7	40.5	26
9.5	7.5	41	26.5
10	8	41.5	27
10.5	8.5	42.5	27.5
11	9	43	28
11.5	9.5	43.5	28.5
12	10	44	29
12.5	10.5	45	29.5
13	11	45.5	30
13.5	11.5	46	30.5
14	12	46.5	31
15	13	48	32

Click Here For Measuring Tool

	CHEST	WAIST	SEAT
XS (0-2)	30"–32"	24"–26"	33"–35"
S (4-6)	32"–35"	26"–28"	35"–38"
M (8-10)	35"–37"	28"–31"	38"–40"
L (12-14)	37"–40"	31"–34"	40"–43"
XL (16-18)	40"–44"	34"–38"	43"–47"
2XL (20-22)	44"–47"	38"–42"	47"–50"

Sources
https://www.newbalance.ca/en_ca/size-guide.html, https://www.newbalance.ca/en_ca/sizechart-apparel.html

Extra Small

Small

Medium

Large

Quantity

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Free Shipping Over $75

Free Returns/Exchanges

Product Description

The NB Define Train Bra pairs best-in-class materials with flattering design language, providing medium support for dynamic training sessions and superior comfort for all-day wear.

Product Highlights

Medium support designed for training activities with intermittent bounce, such as weightlifting, boxing, gym workouts, interval training and cycling.
NB DRY fast-drying technology wicks moisture away from your body.
Removable pads for customizable coverage.
Pullover styling for easy on/off.
Elastic bottom band for support without restriction.
Built with LYCRA® ADAPTIV yarns, this style features premium NB DEFINE fabric. NB Define fabric provides a comfortable second-skin feeling at movement and rest.

Product Details

75% recycled polyester, 25% LYCRA®
Imported
Fitted silhouette is form-fitting, designed to feel snug against the body
Size range engineered to support A-DD cup sizes

Delivery & Returns

Delivery

Note: Delivery times are estimates and may be extended during Black Friday and the holiday season.

Ontario & Quebec:
Standard (3–5 days): $10, free over $75.
Express (2–3 days): $25, $20 over $75.
Rest of Canada:
Standard (3–5 days): $15, free over $75.
Express (2–3 days): $35, $30 over $75.

Extended Holiday Returns

Orders placed on or after Nov 13, 2025 are eligible for returns until Jan 15, 2026.
One free return per order on qualifying items.

For more information, visit our Shipping Policy and Returns & Exchanges pages.

New Balance Women's Define Train Medium Support Bra