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greenhearts Size XL Underwear

Browse our great range of XL women's underwear for curvy bums sized 18-20.

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Colour
Size
Brief Shapes
Availability
Willow Lace Midi Brief - BeaujolaisWillow Lace Midi Brief - Beaujolais
Willow Lace Midi Brief - LatteWillow Lace Midi Brief - Latte
Willow Lace Full Brief - LatteWillow Lace Full Brief - Latte
SaleWillow Lace Midi Brief - WhiteWillow Lace Midi Brief - White
Willow Lace Midi Brief - White Sale price$17.00 Regular price$19.00
Willow Lace Full Brief - WhiteWillow Lace Full Brief - White
Lily Lace Midi Brief - Terra CottaLily Lace Midi Brief - Terra Cotta
Lily Lace Bum Bikini Brief - Terra CottaLily Lace Bum Bikini Brief - Terra Cotta
Lily Lace Full Brief - Terra CottaLily Lace Full Brief - Terra Cotta
(1)
Lily Lace Midi Brief - NavyLily Lace Midi Brief - Navy
Lily Lace Bum Bikini Brief - NavyLily Lace Bum Bikini Brief - Navy
Lily Lace Full Brief - NavyLily Lace Full Brief - Navy
(1)
Lily Lace Bum Bikini Brief - Blush PinkLily Lace Bum Bikini Brief - Blush Pink
Lily Lace Full Brief - Blush PinkLily Lace Full Brief - Blush Pink
(2)
Lily Lace Full Brief - BlackLily Lace Full Brief - Black
Radiate Lace Midi Brief - Blush BlackRadiate Lace Midi Brief - Blush Black
Peony Lace Full Brief - Purple WineberryPeony Lace Full Brief - Purple Wineberry
(3)
Peony Lace Midi Brief - Purple WineberryPeony Lace Midi Brief - Purple Wineberry
(4)
Peony Lace Full Brief - Savvy RedPeony Lace Full Brief - Savvy Red
(1)
Willow Lace Full Brief - BeaujolaisWillow Lace Full Brief - Beaujolais
(3)
Bikini Brief - BeaujolaisBikini Brief - Beaujolais
Bikini Brief - Beaujolais Sale price$19.00
Geo Lace Midi Brief - MochaGeo Lace Midi Brief - Mocha
Geo Lace Full Brief - MochaGeo Lace Full Brief - Mocha
(2)
Thong - MochaThong - Mocha
Thong - Mocha Sale price$19.00
(1)
Bikini Brief - MochaBikini Brief - Mocha
Bikini Brief - Mocha Sale price$19.00
Bikini Brief - WhiteBikini Brief - White
Bikini Brief - White Sale price$19.00
Lily Lace Full Brief - WhiteLily Lace Full Brief - White
(4)
Bikini Brief - BlackBikini Brief - Black
Bikini Brief - Black Sale price$19.00
(1)
Willow Lace Full Brief - BlackWillow Lace Full Brief - Black
(11)
Willow Lace Midi Brief - BlackWillow Lace Midi Brief - Black
(2)
SaleLace Bum Bikini Brief - Navy FleurLace Bum Bikini Brief - Navy Fleur
Lace Bum Bikini Brief - Navy Fleur Sale price$15.00 Regular price$19.00
(2)
Nightingale Lace Full Brief - NavyNightingale Lace Full Brief - Navy
(9)
Nightingale Lace Bum Bikini Brief - NavyNightingale Lace Bum Bikini Brief - Navy
Bikini Brief - NavyBikini Brief - Navy
Bikini Brief - Navy Sale price$19.00
(2)
Peony Lace Full Brief - Cafe LattePeony Lace Full Brief - Cafe Latte
(4)
Peony Lace Midi Brief - Cafe LattePeony Lace Midi Brief - Cafe Latte
(3)
Thong - Cafe LatteThong - Cafe Latte
Thong - Cafe Latte Sale price$19.00
Bikini Brief - Cafe LatteBikini Brief - Cafe Latte
Bikini Brief - Cafe Latte Sale price$19.00
(2)
Lily Lace Midi Brief - BlackLily Lace Midi Brief - Black
(6)
Thong - BlackThong - Black
Thong - Black Sale price$19.00
Lily Lace Bum Bikini Brief - BlackLily Lace Bum Bikini Brief - Black
(1)
Bikini Brief - Blush PinkBikini Brief - Blush Pink
Bikini Brief - Blush Pink Sale price$19.00
(4)
Lily Lace Midi Brief - Blush PinkLily Lace Midi Brief - Blush Pink
(5)
Thong - Blush PinkThong - Blush Pink
Thong - Blush Pink Sale price$19.00
(1)
Thong - NavyThong - Navy
Thong - Navy Sale price$19.00
Radiate Lace Midi Brief - Navy BerryRadiate Lace Midi Brief - Navy Berry
Peony Midi Brief - Savvy RedPeony Midi Brief - Savvy Red
(4)
Peony Lace Bum Bikini Brief - Savvy RedPeony Lace Bum Bikini Brief - Savvy Red
(3)
SaleLily Lace Bum Bikini Brief - Ruby RedLily Lace Bum Bikini Brief - Ruby Red
Lily Lace Bum Bikini Brief - Ruby Red Sale price$17.00 Regular price$19.00
(1)
Lily Lace Midi Brief - WhiteLily Lace Midi Brief - White
(6)
Lily Lace Bum Bikini Brief - WhiteLily Lace Bum Bikini Brief - White
(3)
SaleLace Bum Bikini Brief - GelatoLace Bum Bikini Brief - Gelato
Lace Bum Bikini Brief - Gelato Sale price$12.00 Regular price$19.00
(2)
SalePrint Full Brief - GelatoPrint Full Brief - Gelato
Print Full Brief - Gelato Sale price$15.00 Regular price$19.00
(9)
SaleGeo Lace Full - Sorbet PinkGeo Lace Full - Sorbet Pink
Geo Lace Full - Sorbet Pink Sale price$17.00 Regular price$19.00
(12)
SalePrint Full Brief - FloraPrint Full Brief - Flora
Print Full Brief - Flora Sale price$15.00 Regular price$19.00
(14)
SaleLace Bum Bikini Brief - FloraLace Bum Bikini Brief - Flora
Lace Bum Bikini Brief - Flora Sale price$12.00 Regular price$19.00
(1)
SaleAlyssum Lace Bum Bikini Brief - Lagoon BlueAlyssum Lace Bum Bikini Brief - Lagoon Blue
Alyssum Lace Bum Bikini Brief - Lagoon Blue Sale price$15.00 Regular price$19.00
(2)
SaleAlyssum Lace Full Brief - Lagoon BlueAlyssum Lace Full Brief - Lagoon Blue
Alyssum Lace Full Brief - Lagoon Blue Sale price$17.00 Regular price$19.00
(15)
SaleLace Bum Bikini Brief - Blooming RosesLace Bum Bikini Brief - Blooming Roses
Lace Bum Bikini Brief - Blooming Roses Sale price$15.00 Regular price$19.00
(2)
Dahlia Lace Full Brief - Snow WhiteDahlia Lace Full Brief - Snow White
(10)
SaleBella Rosa Lace Midi Brief - SalsaBella Rosa Lace Midi Brief - Salsa
Bella Rosa Lace Midi Brief - Salsa Sale price$15.00 Regular price$19.00
(10)
SaleBella Rosa Lace Bum Bikini Brief - SalsaBella Rosa Lace Bum Bikini Brief - Salsa
Bella Rosa Lace Bum Bikini Brief - Salsa Sale price$12.00 Regular price$19.00
(4)
SalePeony Lace Full Brief - Storm CloudPeony Lace Full Brief - Storm Cloud
Peony Lace Full Brief - Storm Cloud Sale price$15.00 Regular price$19.00
(10)
SalePeony Lace Bum Bikini Brief - Storm CloudPeony Lace Bum Bikini Brief - Storm Cloud
Peony Lace Bum Bikini Brief - Storm Cloud Sale price$12.00 Regular price$19.00
(1)
SalePrint Midi Brief - Graphic FloralPrint Midi Brief - Graphic Floral
Print Midi Brief - Graphic Floral Sale price$15.00 Regular price$19.00
(4)
SalePeony Lace Bum Bikini Brief - Black Heavenly PinkPeony Lace Bum Bikini Brief - Black Heavenly Pink
Peony Lace Bum Bikini Brief - Black Heavenly Pink Sale price$12.00 Regular price$19.00
(2)
SaleBaroque Lace Full Brief - Briar RoseBaroque Lace Full Brief - Briar Rose
Baroque Lace Full Brief - Briar Rose Sale price$17.00 Regular price$19.00
(5)
SaleLace Bum Bikini Brief - Cottage GardenLace Bum Bikini Brief - Cottage Garden
Lace Bum Bikini Brief - Cottage Garden Sale price$12.00 Regular price$19.00
(4)
Midi Short - Ivory Spot Product Image
Full Brief - Ivory Spot Sale price$19.00
Midi Short - Denim Product Image
Full Brief - Denim Blue Sale price$19.00
(6)
SaleLace Bum Bikini Brief - WisteriaLace Bum Bikini Brief - Wisteria
Lace Bum Bikini Brief - Wisteria Sale price$15.00 Regular price$19.00
(1)
SaleLace Bum Bikini Brief - Garden PartyLace Bum Bikini Brief - Garden Party
Lace Bum Bikini Brief - Garden Party Sale price$12.00 Regular price$19.00
(4)
SaleRibbons Bikini Brief - FoxgloveModel wearing Ribbons Bikini Brief - Foxglove Back
Ribbons Bikini Brief - Foxglove Sale price$12.00 Regular price$19.00
(6)
SaleModel wearing Spot Mesh Midi Brief - Aqua BackModel wearing Spot Mesh Midi Brief - Aqua Front
Spot Mesh Midi Brief - Aqua Blue Sale price$12.00 Regular price$19.00
(8)
SaleModel wearing Spot Mesh Midi Brief - Sugar BackSpot Mesh Midi Brief - Sugar Product Image
Spot Mesh Midi Brief - Sugar Sale price$12.00 Regular price$19.00
(9)
SaleLace Bum Bikini Brief - Bubbles Product ImageLace Bum Bikini Brief - Bubbles
Lace Bum Bikini Brief - Bubbles Sale price$10.00 Regular price$19.00
(3)
SaleCotton Control Brief Midi Short - Almond FrontCotton Control Brief Midi Short - Almond Back
Cotton Control Full Brief - Almond Sale price$25.00 Regular price$29.00
(6)
SaleModel wearing Sweetpea Lace Bum Bikini Brief - Sugar Pink SideSweetpea Lace Bum Bikini Brief - Sugar Pink Product Image
Sweetpea Lace Bum Bikini Brief - Sugar Pink Sale price$15.00 Regular price$19.00
(6)
SaleQueen of the Nile Lace Bum Bikini Brief - Ebony BlackQueen of the Nile Lace Bum Bikini Brief - Ebony Black
Queen of the Nile Lace Bum Bikini Brief - Ebony Black Sale price$12.00 Regular price$19.00
(1)
SaleQueen of the Nile Lace Bum Bikini Brief - Lipstick RedQueen of the Nile Lace Bum Bikini Brief - Lipstick Red
Queen of the Nile Lace Bum Bikini Brief - Lipstick Red Sale price$12.00 Regular price$19.00
(1)
SaleLace Bum Bikini Brief - Lipstick Product ImageSweetpea Lace Bum Bikini Brief - Lipstick Red
Sweetpea Lace Bum Bikini Brief - Lipstick Red Sale price$15.00 Regular price$19.00
(2)

Free delivery

on any domestic order $100 and above.

30 Day Returns

Available on most bra products, see our returns policy for more info.

XL Underwear That Feels as Good as It Fits

We’re here for the girls who’ve been told their size means limited options. Spoiler alert - it doesn’t! Our womens XL briefs come in the same styles, fabrics and fits as the rest of our range, because great knickers shouldn’t stop at a certain size. 

Need help picking a style? Start with our knicker size guide.

 

Xtra Large Briefs Designed to Fit Real Bodies

Finding quality XL underwear in New Zealand shouldn’t be a mission. Our ultra large briefs for curvy bums are made with comfort, shape, and support in mind. No awkward seams, no settling for “close enough.” Just knickers that work with your body, not against it.

All our styles are available in women’s XL underwear sizing (although some sell out quicker than others). Want the confidence of full coverage? Explore our Full Briefs range. Looking for a little shape? Try our Cotton Control Briefs. Want to keep it minimal? Our XL thongs are right this way. 

And if you’re after a full set, take a peek at our bras for the perfect match.


Why Kiwi Women Love Rose & Thorne XL Knickers

  • Real sizing, real comfort. Not scaled up from smaller cuts, our XL briefs are made-to-fit, not stretched-to-fit.

  • Every style, every size. You’ll find the same cuts, colours and fabrics available in XL as you would in smaller sizes, because you shouldn’t have to miss out.

  • Built-in confidence. Our XL briefs are soft, secure, and shaped to feel good all day. No digging, sagging, or second-guessing.

  • No “nana” vibes. Just knickers that fit, flatter, and feel like you.


You know what feels good. You know what works. Now you just need more of it in your drawer. We’re ready when you are.