Cotton Crochet Knit Vest Top from Roman. Tap into care-free Summer vibes with this charming knitted vest. Crafted from a cooling cotton crochet, this vest features a scallop detail at the hemline to add an ornate touch. It features a classic round neckline and sleeveless design, making it ideal for layering or wearing on its own. For a sweet Summer look, pair it with a denim jacket, shorts and sandals for a stylish and comfortable holiday ensemble.