Dress by Sisley, Something to snap selfies in, Round neck, Semi-sheer sleeves, Floral design, All of the pretty, none of the hay fever, Tie waist, Regular fit - true to size. Since its French debut in denim in 1968, Sisley has become known for its casual-chic attitude. With a philosophy centred on design-led classics, tailoring, jersey tops and knitwear join the ranks in interesting fabrications and cute cropped cuts.