Dean Martin, 1958 There’s no blazer or suit jacket visible in this photo ... bare biceps popping out of a knit vest just ain’t it. A sweater vest is the definition of business casual.

Right now, you’ll automatically earn an extra 15% off all on-sale styles, including stylish shirts, jackets, and even this popular crewneck sweater that’s over 40% off. The Flint and Tinder Highlands ...

There’s no blazer or suit jacket ... knit thermals. Just be sure to wear something under there, because unless you’re The Rock, bare biceps popping out of a knit vest just ain’t it. Is a ...