SIR.

SIR. is an Australian contemporary womenswear label founded in 2014 by Nikki Campbell and Sophie Coote. Short for “separates, intimates, and ready-to-wear,” the brand is known for its minimalist aesthetic, feminine silhouettes, and effortless approach to dressing. Inspired by a relaxed, global lifestyle, SIR. designs versatile wardrobe staples—from tailored pieces to resort-ready styles—that balance simplicity, sophistication, and modern elegance.