Sleeveless Cotton Floral Midi Dress from Roman. Cotton is crucial for staying cool on those hot Summer days and luckily comfort doesn’t mean compromised style, with this floral midi dress. Cut from a cool 100% cotton fabric, this dress features a unique square neckline and is designed in a breezy sleeveless style, complete with side straps. Adorned in a simple floral print this dress falls in tiers to a modest midi length. Simply add sandals and a denim jacket to complete the look!