Soft Joie Arryn B Dress in Blue. - size L (also in M,S) Soft Joie Arryn B Dress in Blue. - size L (also in M,S) 56% cotton 44% lyocell. Unlined. Elasticized waist. Flounce hem. Back keyhole with button closure. SOFT-WD281. 5230 31822B. You will inevitably fall in love with this new collection from the designers that brought you Joie. Soft Joie is a line of not-so-basic basics, with the softest blends of modal and other comfortable fabrics that will keep you comfortable and chic.