SIR.

Style keywords
About the brand
SIR, an acronym for Separates, Intimates, and Ready-to-wear, is an Australian contemporary fashion house founded by Nikki Campbell and Sophie Coote in 2014. The duo identified a gap in the fashion market for timeless basics that could travel effortlessly from destination to destination while living in Bali, though the brand originated from their apartment in Bondi Beach. What began as a desire to create minimal, elevated pieces that could be easily packed in a suitcase has evolved into an internationally acclaimed brand. SIR has garnered international acclaim for its singular aesthetic centered on wardrobe essentials and minimalist silhouettes. With a focus on high-quality, ethically sourced fabrications, the brand creates easy-to-wear wardrobe staples that embody modern femininity with effortless elegance. The collections balance sophistication with wearability, appealing to women who appreciate understated chic and versatile pieces that transition seamlessly from casual to elevated occasions.
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Products from SIR.
SIR.
Aries lace-trimmed silk slip dress
$479
$685
Mytheresa
SIR.
Bettina linen maxi dress
$381
$545
Mytheresa
SIR.
Bettina linen midi dress
$392
$560
Mytheresa
SIR.
Linen minidress
$332
$475
Mytheresa
SIR.
Bettina linen midi dress
$371
$530
Mytheresa
SIR.
Salvador cutout knitted maxi dress
$488
$610
Mytheresa
SIR.
Noemi linen maxi dress
$399
$570
Mytheresa
SIR.
Ramona printed silk midi dress
$511
$730
Mytheresa
SIR.
Crochet cotton maxi dress
$423
$605
Mytheresa
SIR.
Belletto printed linen midi dress
$360
$515
Mytheresa
SIR.
Arte printed silk satin maxi dress
$479
$685
Mytheresa
SIR.
Sandrine off-shoulder blazer dress
$497
$710
Mytheresa
SIR.
Floral linen minidress
$332
$475
Mytheresa
SIR.
Jacques mesh maxi dress
$385
$550
Mytheresa
SIR.
Primrose ruched linen maxi dress
$364
$520
Mytheresa
SIR.
Helena ribbed-knit maxi dress
$392
$560
Mytheresa
SIR.
Primrose ruched cotton minidress
$364
$520
Mytheresa
SIR.
Affogato linen midi dress
$385
$550
Mytheresa
SIR.
Lush gathered silk slip dress
$542
$775
Mytheresa
SIR.
Libertine printed cutout maxi dress
$402
$575
Mytheresa
SIR.
Iris Tie linen minidress
$332
$475
Mytheresa
SIR.
Dorian embroidered linen and cotton maxi dress
$484
$605
Mytheresa
SIR.
Sandrine off-shoulder blazer dress
$469
$670
Mytheresa
SIR.
Jones ruffled cotton-blend minidress
$563
$805
Mytheresa
SIR.
Glow Twist cotton-blend midi dress
$285
$475
Mytheresa
SIR.
Eleanora floral one-shoulder linen crop top
$224
$320
Mytheresa
SIR.
Arte printed one-shoulder silk satin crop top
$385
$550
Mytheresa
SIR.
Dorian linen-blend tube top
$280
$400
Mytheresa
SIR.
Rayure linen crop top
$220
$315
Mytheresa
SIR.
Jerry Halter Bodice linen top
$238
$340
Mytheresa
SIR.
Josefina strapless linen top
$241
$345
Mytheresa
SIR.
Printed silk shirt
$451
$645
Mytheresa
SIR.
Printed silk satin straight pants
$378
$540
Mytheresa
SIR.
Josefina linen maxi skirt
$336
$480
Mytheresa
SIR.
Aries silk maxi skirt
$385
$550
Mytheresa
SIR.
Dorian linen-blend wide-leg pants
$371
$530
Mytheresa
SIR.
Printed mid-rise silk wide-leg pants
$423
$605
Mytheresa
SIR.
Dazed printed silk palazzo pants
$409
$585
Mytheresa
SIR.
Belletto printed linen maxi skirt
$266
$380
Mytheresa
SIR.
Rayure crochet cotton maxi skirt
$360
$515
Mytheresa























































