Plunge Bra | Sienna
TENCEL™ Modal, Wirefree Bra, Deep V-Neckline, and Convertible strap
- Regular price
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$54.40 - Regular price
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$68.00 - Sale price
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$54.40
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Take the Plunge!
Step into a world of distinct style with our iconic Plunge Bra, an option perfect for pairing with your favorite V-neck outfits.
✓ MAGIC STRAPS | wide, supportive straps, adjustable for halter-style racerback
✓ DEEP PLUNGE | lowest-cut neckline that plays nice with v-necks'
✓ DREAMY FABRIC | buttery soft TENCEL™ Modal (2x softer than cotton)
✓ INNER SLING, NO UNDERWIRE | iteration’s mesh internal sling for extra lift + support
✓ NO UNI-BOOB | defined cups add extra separation of breasts
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FREE & EASY RETURNS OR EXCHANGES
Fit Matters. We’ve Got You.
Comfort and fit are everything, especially when it comes to bras+ undies. Helping you discover your next era of intimates is our jam, made easy for you with free returns and exchanges.
Returns of unwashed, unworn items with the tags on are accepted for 30 days and will be refunded to the original form of payment. See our Returns Policy for more details.
Still have questions? Not a problem!
For style suggestions, take our Bra Quiz
For bra sizing, check out our custom Measuring and Calculator
Still have questions? Shoot us an email at hi@iterationera.com and we can personally assist to ensure you're fitted perfectly!






Bra size chart in Inches
Need to know how to measure your bra size? Click Here!
FULL BUST - UNDERBUST = | 1" | 2" | 3" | 4" | 5" | 6" | 7" | |
---|---|---|---|---|---|---|---|---|
CUP SIZE | ||||||||
A | B | C | D | DD/E | DDD/F | G | ||
UNDERBUST (IN) | BAND SIZE | ITERATION SIZE | ||||||
26.5" - 28.5" | 28 | XS | XS | XS+ | XS+ | XS+ | ||
28.5" - 30.5" | 30 | XS | XS | S | S | S+ | S+ | S+ |
30.5" - 32.5" | 32 | S | S | S | S | S+ | S+ | M+ |
32.5" - 34.5" | 34 | S | S | M | M | M+ | M+ | M+ |
34.5" - 36.5" | 36 | M | M | M | M | M+ | M+ | L+ |
36.5" - 38.5" | 38 | L | L | L | L | L+ | L+ | L+ |
38.5" - 40.5" | 40 | L | L | XL | XL | XL+ | XL+ | XL+ |
40.5" - 42.5" | 42 | XL | XL | XL | XL+ | XL+ | 1X+ | 1X+ |
42.5" - 44.5" | 44 | 1X | 1X | 1X | 1X | 1X+ | 2X+ | 2X+ |
44.5" - 46.5" | 46 | 2X | 2X | 2X | 2X | 2X+ | 2X+ | 3X+ |
46.5" - 48.5" | 48 | 3X | 3X | 3X | 3X | 3X+ | 3X+ | 3X+ |
48.5" - 50.5" | 50 | 3X | 3X | 3X | 3X |
Fuller Bust size options are best suited for cup sizes DD through G.
Fuller Bust sizes are indicated with a + at the end of the size, [i.e. 1X+] Fuller Bust sizes feature a band that is 1" smaller than the band of the same size bra in the Standard Size. They have slightly taller side seams, center fronts and deeper cup molding to accomodate extra breast tissue.