87% matchTHIRD FORM
Same Sydney pared-back day-to-evening register
What changes: Narrower range, more knit- and denim-led, less linen resort
Brand profile
Australian womenswear label founded in 2014 by Nikki Campbell and Sophie Coote, known for minimal, trans-seasonal separates and bias-cut dresses.
4 brands like SIR the Label like THIRD FORM, Silk Laundry, Shona Joy →

SIR is an Australian womenswear label built on separates, intimates and ready-to-wear — the three words its name abbreviates.
The core is trans-seasonal: bias-cut slip dresses, corseted and cut-out bodices, matching linen sets, relaxed shirting, tailoring and swim in neutrals and small prints.
Nikki Campbell and Sophie Coote have led design and creative direction since 2014 as owner-operators, selling through their own stores, e-commerce and international wholesale.
87% matchSame Sydney pared-back day-to-evening register
What changes: Narrower range, more knit- and denim-led, less linen resort
84% matchSandwashed silk slips in the same trans-seasonal neutrals
What changes: Fabric specialist — no tailoring, swim or corsetry
78% matchSydney bias-cut dressing pushed toward occasion
What changes: Heavily bridal/bridesmaid weighted, less everyday linen
72% matchSharper take on the corset-bodice, body-skimming look
What changes: Seasonless capsule, no relaxed linen or shirting
SIR (SIR the Label) is an Australian womenswear brand founded in 2014 by Nikki Campbell and Sophie Coote, the name an acronym for separates, intimates and ready-to-wear. It works in a pared-back, trans-seasonal register: bias-cut slip dresses, corseted and cut-out bodices, matching linen sets, relaxed shirting, tailoring and swimwear in neutrals and small prints. Both founders remain owner-operators leading design and creative direction. The label sells via its own stores and e-commerce alongside international wholesalers, and has drawn recent UK and US press coverage.