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greenhearts Size XXL Underwear

Not your nana's knickers. Designed for size 22 bums, these XXL briefs prove that comfort can be frump-free.

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SaleRibbons Bikini Brief - Foxglove PinkModel wearing Ribbons Bikini Brief - Foxglove Back
Ribbons Bikini Brief - Foxglove Pink Sale price$10.00 Regular price$19.00
(6)
SaleCotton Control Brief Midi Short - Almond FrontCotton Control Brief Midi Short - Almond Back
Cotton Control Full Brief - Almond Sale price$24.00 Regular price$29.00
(6)
SaleModel wearing Cotton Control Brief Midi Short - Navy BackModel wearing Cotton Control Brief Midi Short - Navy Front
Cotton Control Full Brief - Navy Blue Sale price$24.00 Regular price$29.00
(8)
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$10.00 Regular price$19.00
(1)
SaleQueen of the Nile Full Brief - LipstickQueen of the Nile Full Brief - Lipstick
Queen of the Nile Full Brief - Lipstick Sale price$15.00 Regular price$19.00
(8)
SaleQueen of the Nile Lace Bum Bikini Brief - LipstickQueen of the Nile Lace Bum Bikini Brief - Lipstick
Queen of the Nile Lace Bum Bikini Brief - Lipstick Sale price$10.00 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)
SaleNightingale Lace Midi Short - Ice Flow Product ImageNightingale Lace Full Brief - Ice Flow Blue
Nightingale Lace Full Brief - Ice Flow Blue Sale price$15.00 Regular price$19.00
(7)
SaleAlyssum Lace Bum Bikini Brief - Midnight SunAlyssum Lace Bum Bikini Brief - Midnight Sun
Alyssum Lace Bum Bikini Brief - Midnight Sun Sale price$12.00 Regular price$19.00
(2)
SaleLace Bum Bikini Brief - Midnight Paisley Product ImageLace Bum Bikini Brief - Midnight Paisley
Lace Bum Bikini Brief - Midnight Paisley Sale price$15.00 Regular price$19.00
(3)
SaleMidi Short - Signature Print in Ice Rose Product ImageSignature Print Full Brief - White Ice Rose
Signature Print Full Brief - White Ice Rose Sale price$15.00 Regular price$19.00
(10)
SaleMidi Short - Signature Print in Pewter Rose Product ImageSignature Print Full Brief - Grey Pewter Rose
Signature Print Full Brief - Grey Pewter Rose Sale price$15.00 Regular price$19.00
(16)
SaleSignature Print Lace Bum Bikini Brief - White Ice RoseSignature Print Lace Bum Bikini Brief - White Ice Rose
Signature Print Lace Bum Bikini Brief - White Ice Rose Sale price$15.00 Regular price$19.00
(2)
SaleSignature Print Lace Bum Bikini Brief - Grey Pewter RoseSignature Print Lace Bum Bikini Brief - Grey Pewter Rose
Signature Print Lace Bum Bikini Brief - Grey Pewter Rose Sale price$15.00 Regular price$19.00
(2)
SaleLace Bum Bikini Brief - Frappe Product ImageSweetpea Lace Bum Bikini Brief - Frappe
Sweetpea Lace Bum Bikini Brief - Frappe Sale price$15.00 Regular price$19.00
(1)
Dahlia Lace Full Brief - AlmondDahlia Lace Full Brief - Almond
Dahlia Lace Full Brief - Almond Sale price$19.00
(18)
Lace Midi Brief - Almond
Lace Midi Brief - Almond Sale price$19.00
(11)
Peony Lace Bum Bikini Brief - StarlightPeony Lace Bum Bikini Brief - Starlight
Peony Lace Bum Bikini Brief - Starlight Sale price$19.00
(1)
SaleLace Bum Bikini Brief - Peacock Detail ImageLace Bum Bikini Brief - Peacock Product Image
Sweetpea Lace Bum Bikini Brief - Peacock Sale price$12.00 Regular price$19.00
(6)
SaleContrast Lace Boyleg Brief - Deep OceanContrast Lace Boyleg Brief - Deep Ocean Product Image
Contrast Lace Boyleg Brief - Deep Ocean Sale price$12.00 Regular price$19.00
(5)
SaleLace Bum Bikini Brief - Violet Product Image
Sweetpea Lace Bum Bikini Brief - Violet Sale price$15.00 Regular price$19.00
(8)
SaleSweetpea Lace Bum Bikini Brief - Ice WhiteSweetpea Lace Bum Bikini Brief - Ice White
Sweetpea Lace Bum Bikini Brief - Ice White Sale price$15.00 Regular price$19.00
(6)
SaleContrast Lace Boyleg Brief - Pink Soda Product ImageContrast Lace Boyleg Brief - Pink Soda Detail Image
Contrast Lace Boyleg Brief - Pink Soda Sale price$10.00 Regular price$19.00
(12)
Full Brief - Navy
Full Brief - Navy Sale price$19.00
(42)
Dahlia Lace Full Brief - BlackDahlia Lace Full Brief - Black
Dahlia Lace Full Brief - Black Sale price$19.00
(20)
SaleLace Midi Brief - White
Lace Midi Brief - White Sale price$15.00 Regular price$19.00
(15)
SaleLace Bum Bikini Brief - Café Latte Product Image
Lace Bum Bikini Brief - Café Latte Sale price$15.00 Regular price$19.00
(2)
SaleLace Bum Bikini Brief - Black Product ImageLace Bum Bikini Brief - Black Detail Image
Lace Bum Bikini Brief - Black Sale price$15.00 Regular price$19.00
(15)

Free delivery

on any domestic order $125 and above.

30 Day Returns

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

XXL Briefs That Show Off Your Assets

Forget the flat, stretchy rectangles that pass for plus-size underwear elsewhere. At Rose & Thorne, our XXL knickers are built to feel supportive without digging in, flattering without squeezing, and stylish without compromise.  Need help finding your match? Our knicker size guide makes it easy.

 

XXL Knickers For Girls With Curves 

Your size shouldn’t limit your choices. From smoothing support to feel-good faves, our XXL undies come in all the cuts you actually want to wear. From full briefs, midi and bikini cuts, to purple briefs, print briefs, and everything in between - it’s time to fill your top drawer with stylish knickers you’ll want to show off.

 

Australian Women Love Our XXL Underwear

We know you’re spoiled for choice, so why choose Rose & Thorne over other brands? 

  • Designed for sizes 18–20. No lazy scaling, no tight seams, our plus-size knickers are made to fit from the start.

  • Style, not just stretch. From bold prints to soft cotton staples, you’ll find comfortable options in your size.

  • Support that sticks with you. These knickers move with your body and keep their shape, wash after wash.

  • Curves deserve choice. Whether you want easy everyday comfort or something a little fun, our XXL range gives you both.

 

You know what feels good. You know what works. Now you just need more of it in your drawer. Ready when you are.