- Women's cobalt blue polyester long dress - Round neck on front, V-neck on back, sleeveless - Waffle fabric, plain lining - Waist seaming, neck strap on back fastened with press studs - Oversize, flowing fit - Length: 140 cm for size 36 IKKS #actforbetter: fabric contains 100% recycled polyester Flow. That's THE word that best defines what this cobalt blue long dress does. Flow backed up by an oversized fit and waffle-look recycled polyester.