Seamless Built-In Bra Comfort Tank
Built-in support. No wire, no hooks, no band.
One smooth layer that replaces your bra. Pull it on in the morning and forget about it until bedtime.
Buy more, pay less
Mix colors and sizes freely. Add three tanks to your bag and one is on us; add six and two are on us. Applied automatically at checkout.
- Free shipping to the US & Canada
- 30-day returns
- Secure checkout
Built-in support in one lightweight layer
A one-piece pullover tank with a built-in padded bra, so you can wear it on its own without a separate bra.
- Built-in padded cups – support is part of the tank, in one simple pullover piece.
- 100% nylon, single layer – lightweight fabric that is figure-hugging and warm without bulk.
- Anti-static and pilling-resistant – an easy, practical fabric for everyday wear.
- Made to be worn on its own – suitable as outerwear.
- Solid colors, sizes S to 6XL – colors may vary slightly from the photos depending on your screen.
Sizing
This tank runs small, about 1–2 sizes smaller than typical US sizing. Please check the Size guide on this page, and if you are between sizes, choose one size up. Measurements may vary by about 2–3 cm (1 in).
Shipping & returns
Free shipping to the US and Canada, with tracking on every order. Orders are processed within 1–6 days (most ship within 1–2 days), then delivered in 5–15 days in the US and 7–15 days in Canada. Not the right fit? Email us at contact@southreefventures.com within 30 days of delivery to request a return. Items must be unworn and unwashed, and return shipping is paid by the customer.
This tank runs small. If you are between two sizes, choose the larger one. It is designed for A–C cups, and measurements may vary by about 1 in (2–3 cm). Find your size by underbust in the size chart below.
How to measure
- Bust: measure around the fullest point, keeping the tape level.
- Underbust: stand upright and measure horizontally around, directly below the bust.
- Cup: subtract your underbust from your bust. 3–3.5 in (7–9 cm) is an A cup, 4–4.5 in (10–12 cm) a B cup, and 5–6 in (13–16 cm) a C cup.
Not the right fit? Email us at contact@southreefventures.com within 30 days of delivery to request a return.
Free shipping to the US and Canada on every order, with tracking.
Orders are processed within 1–6 days, and most ship within 1–2 days. After dispatch, delivery usually takes 5–15 days in the US and 7–15 days in Canada.
Returns: email us at contact@southreefventures.com within 30 days of delivery. Items must be unworn and unwashed, and return shipping is paid by the customer.
Size chart (S to 6XL)
| Size | Underbust | Weight | Bra size (A–C cups) |
|---|---|---|---|
| S | 25–26 in (63–67 cm) | 67–88 lb | 32 |
| M | 27–28 in (68–72 cm) | 88–110 lb | 34 |
| L | 29–30 in (73–77 cm) | 111–132 lb | 36 |
| XL | 31–32 in (78–82 cm) | 133–154 lb | 38 |
| XXL | 33–34 in (83–87 cm) | 155–176 lb | 40 |
| 3XL | 35–36 in (88–92 cm) | 177–198 lb | 42 |
| 4XL | 37–38 in (93–97 cm) | 199–220 lb | 44 |
| 5XL | 39–40 in (98–102 cm) | 221–243 lb | 46 |
| 6XL | 41–42 in (103–107 cm) | 244–265 lb | 48 |
Runs small: if you are between two sizes, choose the larger one. Measurements may vary by about 1 in (2–3 cm).
Seamless Built-In Bra Comfort Tank
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Feels like nothing
Soft, stretchy, seamless fabric
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Smooth under everything
No bra lines, no back bulge
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Built-in padded cups
Support without a separate bra
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Warm, not bulky
Lightweight, figure-hugging nylon
Why women switch
Your old bra vs. our comfort tank
A traditional bra puts all the pressure on two straps and a band. This tank spreads the support across the whole top.
| Criterion | Our tank | Regular bra |
|---|---|---|
| No underwireNothing digging in | Yes | No |
| No hooksNo back band either | Yes | No |
| Straps stay put | Yes | No |
| No bra linesSmooth under any top | Yes | No |
| All-day comfort | Yes | Until lunch |
| 2-in-1Top and support in one piece | Yes | No |
Questions
Everything you need to know
Still have a question?
Contact usCan I wear it on its own?
Yes. It is designed to be worn alone, as a layer, or under a cardigan.
Which size should I choose?
This tank runs small, about 1–2 sizes smaller than typical US sizing. If you are between sizes, choose one size up, and check the size guide on this page.
What is it made of?
100% nylon in a single, lightweight layer, with built-in padded cups. The fabric is anti-static and pilling-resistant.
Does it work for a larger bust?
It is designed for A–C cups and comes in sizes S to 6XL, chosen by underbust measurement. It runs small, so if you are between two sizes, choose the larger one. See the size guide on this page.
Can I cancel my order?
Yes, free of charge before your order is dispatched. Please email us as soon as possible at contact@southreefventures.com, as most orders ship within 1–2 days.
When will I receive my order?
Orders are processed within 1–6 days, and most ship within 1–2 days. After dispatch, delivery usually takes 5–15 days in the US and 7–15 days in Canada, with tracking.
How do I care for it?
Wash cold, and wash dark and light colors separately. For machine washing, use a laundry bag and a gentle, low-spin cycle.