From traditional long johns to Uniqlo’s fan-favorite HeatTech line, heat-insulating clothing is essential. Just ask my mom, a lifelong Chicago teacher who swears by her HeatTech turtleneck and ...

Which men’s mock turtleneck is best? Turtlenecks can be stylish and complement a variety of outfits, but they aren’t for everyone. They can feel restrictive, and some people just don’t like ...

Which men’s mock turtleneck is best? Turtlenecks can be stylish and complement a variety of outfits, but they aren’t for everyone. They can feel restrictive, and some people just don’t like ...

For starters, it’s the ultimate go-anywhere, do-anything tweener layer: crossing the ease and breathability of a T-shirt with the elegance and practicality of a turtleneck sweater.

For example, turtlenecks or ties cannot be worn with the short-sleeved shirt (Mr. Clark is wearing his tie with the long-sleeved shirt), and shirts should always be tucked in and “bloused.” ...