If you'd rather not spend much, your best bet is this Neiman Marcus Rollneck. It's a great item, while not very expensive. Another strong contender for your wardrobe is this Blank Turtleneck. While the price of this item is not too high, it will definitely attract a lot of attention. You might also want to consider this J.Crew Turtleneck. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you can afford to spend a little more, you're in luck with this Joseph Turtleneck in stock and waiting for you. You most certainly will love this item. It's also worth checking out this Jil Sander Turtleneck. This product is ultra popular and, just as importantly, not very expensive. Take a look at this Tome Turtleneck too! Great value for your money.
If you can afford to splurge, then what you're looking for is this Chloé Turtleneck. It's more expensive but worth your money. While you're at it, also have a look at this Ralph Lauren Rollneck. Yes, this item is expensive, but it does not mean it's not worth it. And one more item you might be interested in is this Barneys New York Turtleneck. 'Cause you deserve nothing but all the finer things!