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Groundwork Long Bra 2.0

Groundwork Long Bra 2.0

Lightweight, moisture-wicking support that duals as a standalone crop top

COLOR >>  
W's Groundwork Long Bra 2.0
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Regular fit Size Chart Gabby is 5'8" and wears size S

Essential coverage for high-output movement — the Groundwork Long Bra duals as a sleek standalone crop top. Read more

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features

Comfortable carrying capacity
Powermesh-reinforced racerback pocket carries phone comfortably without bounce

All about the Groundwork
Breathable, moisture-wicking fabric provides light compression with an unnoticeable feel in stride

Improved support
Lightly padded, removable inserts plus soft elastic internal band add extra support + compression

Smooth racerback fit
Racerback design with wider shoulder straps + self-binded fabric provide optimal next-to-skin comfort

Power mesh lining
Increases breathability + adds targeted support

Updated body fit
Smooth-finished seaming at hem for improved durability

Visibility
Janji signature blue reflective logo on back

materials + specs

Groundwork Knit
68% nylon, 32% spandex

Power mesh lining
100% polyester

Weight
102g / 3.6oz (W’s Small)

Garment made in Vietnam

sustainability

Groundwork Knit is made using a premium grade nylon that has a significantly tighter woven filament than standard synthetics. Tighter filaments mean less microfiber shedding in the wash-cycle, plus greater durability of the garment (longer lifespan, more wearing).

Groundwork Knit fabric is also bluesign® certified meaning it is free from harmful chemicals and is fabricated in a way that meets a high environmental standard.

Learn more about our sustainable initiatives here.

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Customer Reviews

Based on 43 reviews
79%
(34)
19%
(8)
2%
(1)
0%
(0)
0%
(0)
T
Tehila N.
Wear it for: Running, Cycling
Product Fit: Spot-on
Height: 5'4" to 5'6"
Usual Size: XS
Size Purchased: XS
Best running sports bra

I came across these on Instagram. I had been looking to replace bras with a back pocket I bought a few years ago. My search has ended!! I love these so much!! I bought 2 black and ordered a 3rd in pink. They are so good. I can’t wear my old ones anymore. I love that they are long enough to be worn as a crop top too. Great support and true to size. I wear XS (34b in a regular bra 5’5” 124lbs)

J
JenAbroad
Wear it for: Running
Product Fit: Spot-on
Height: 5'10" to 6'0"
Usual Size: M
Size Purchased: M
The BEST bra

This is the perfect running bra for hot weather; there is no need for a shirt. The phone pocket bra is the best I have found. I would also love it if they made this in a more traditional length for cold weather running to hold a phone still while adding layers. I am saving up to buy this bra in every color. 5'11"/34B/140lbs

J
Jessi L.
Wear it for: Running, Hiking, Cycling, Everyday wear
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: M
Size Purchased: M
I can't believe how good this is

I am what you might call a workout gear enthusiast. I love well-designed technical clothes that help me train better and harder. I was blown away by how well-designed this bra is. Love the length, love the fit. I'm 5'9"/148lbs with A cups and medium worked perfectly. I keep washing this bra because I want to wear it for every single training sesh and also just wear it around town. Anyway, can't say enough good stuff about it. Best sports bra I own.

C
Christine A.
Wear it for: Running
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: S
Size Purchased: S

W's Groundwork Long Bra 2.0

L
Lisa A.
Wear it for: Running
Product Fit: Spot-on
Height: 5'1" to 5'3"
Usual Size: S
Size Purchased: S
Great support and coverage

I really like the fit of this top. It gives good support (I'm generally a 34B), I like the slightly longer length and the cute print/colors!

G
Grace M.
Wear it for: Running, Hiking, Camping, Climbing, Everyday wear
Product Fit: Spot-on
Height: 5'1" to 5'3"
Usual Size: XS
Size Purchased: XS
Go run down a mountain then go out

I wear these tops for everything. I'm a 32B and it offers more than enough support. Tops with the built-in bra are the best thing ever and it comes with pads which I like. The back pocket for the phone is a great design and is so much better than stuffing my phone in my shorts. I also can throw on a pair of pants and it makes a cute outfit to wear around town.

Z
Zoe
Wear it for: Running
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: S
Size Purchased: S
THE BACK POCKET IS LIFE

The back phone pocket is amazing. I don't like to carry much on shorter runs, but I always like to have my phone for music, maps, etc. and I hate wearing a belt, but a vest feels excessive. The back pocket on this top is perfect for it. I was skeptical that it would bounce too much with my giant heavy phone case but I barely noticed it was back there. Also super easy to put your phone in there. New favorite running top for sure.

R
Rae
Wear it for: Running, Hiking
Product Fit: Spot-on
Height: 5'4" to 5'6"
Usual Size: S
Size Purchased: M
Soft, supportive, feels amazing!

I’ve been loving wearing this. The cut is perfect — the armholes and sleeves somehow hit just right to avoid any kind of chafing or slipping, and the cropped length is great. There are soft cups that provide more support than I expected, and also allow me to wear this on its own as a crop top. Pairs really nicely with Janji’s Repeat Merino Tech Tank, which I also love. I’ve been wearing this on runs, but also really like it for intense yoga classes — it achieves that great combo of both staying in place and keeping everything in place. For reference, I am usually between a small and a medium in tops, and usually wear a small in Janji, but went with a medium in this and it’s a great fit (34C bra size, 35-36” chest measurement). Please keep this around Janji!

R
R
Wear it for: Running, Climbing, Cycling
Product Fit: Spot-on
Height: 5'4" to 5'6"
Usual Size: S
Size Purchased: S
Pleasantly Surprised!

I bought this top with the intention of wearing it for lower impact sports, as I am size 32DD and usually tops with built-in bras don't really work for me. This top is surprisingly supportive! I love it for climbing as the racerback cut provides excellent shoulder mobility, and it has been a go-to top for cycling. Biggest surprise, however, is that this is supportive enough I can run in it! Because of this, I bought 2 more in different colors. Nice product!

N
Nora B.
Wear it for: Running
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: M
Size Purchased: M

W's Groundwork Long Bra 2.0