If you're looking for a thrifty option, this Canali Turtleneck will fit the bill. It's a foolproof choice, while not very expensive. Another great option is this Majestic Filatures Turtleneck. While the price is not too high, be sure that this piece will become a worthy addition to your wardrobe. You may also want to look at this Sunspel Rollneck. This item is not expensive either, but it will make a difference in your wardrobe.
If you want to splurge on a luxury piece, then you absolutely must check out this Nude Rollneck. This item seems pricey, but it's well worth it. While you're at it, also have a look at this Lanvin Turtleneck. Yes, this item is expensive, but it does not mean it's not worth it. And how about the luxurious Prada Rollneck? Yolo, right?