Ripples Ruffle Dress (Chocolate) The Thread Theory The Perfect Delicate and Playful Tulle Ruffle Dress The Len Parent Ripples Ruffle Dress (Chocolate) The Thread Theory Floral Ruffle Dress Chasing the Fun. Made from Blackbirds signature high quality cotton lycra, our adult dresses are a wardrobe must have (and they have pockets!). Treat yourself and choose from our exclusive list of fabrics to suit your personality or match with your children and make a statement in comfort and style. If you wish to include a solid black body skirt or arms in your dress please leave a note at checkout with your choice.