Old Navy Cosy Fair Isle Turtleneck Sweater Here's a holiday find to pair with leather pants and dark denim alike, but this Old Navy Cosy Fair Isle Turtleneck Sweater ($55) won't look too Christmassy to stop wearing on Dec. 26. Image Source: oldnavy.gap.com Old Navy Cosy Fair Isle Turtleneck Sweater $55 from oldnavy.gap.com Buy Now