White Dresses Linen, Mini, Midi, Cut Out & Halter SIR. The Sir the Label Blanche Asymmetrical Gown in Black Made from a thick linen, this dress is the perfect dress to dress up or down this spring summer. Features a one shoulder and SIR The Label Blanche Gown All The Dresses Ingrid Cut Out Midi Dress by SIR THE LABEL SLOANE ST. PERTH WA Ingrid Cut Out Midi Dress by SIR THE LABEL SLOANE ST. PERTH WA SIR THE LABEL Sir The Label Blanche Cut Out Dress on Designer Wardrobe