A crew-neck sweater is a great investment in comfort and practicality. Wear it solo with slim-cut denim or layer it over a poplin shirt and pair with straight leg trousers for the smartest take.
If you'd rather not spend much, we recommend checking out this Wolford Crew-Neck Jumper. It's a great piece for a reasonable price. Another strong contender for your wardrobe is this Crew-Neck Pullover. While the price of this product is not too high, it will definitely attract a lot of attention. You may also want to look at this Elie Tahari Crew-Neck Pullover. This item is not expensive either, but it will make a difference in your wardrobe.