I reach for a smooth worsted or bulky acrylic or superwash wool blend for a winter scarf, it knits up fast and stays neat.
Multi ply with a firm twist helps prevent splitting and that fuzzy wear that looks like unraveling, while single ply and brushed textures can pill quickly. Look for anti pilling on the label, aim for enough yardage to hit your target length, and choose machine washable if you want low maintenance. Secure your cast on and bind off and weave in ends firmly for durability, that small step matters over time.