clothing-store owners, and generally cool and outdoorsy men about the vests that they keep in their closets, stuff in their suitcases, and layer on top of their favorite long-sleeve tees.

Meghan Markle wore a $298 sleeveless sweater shirt from Brochu Walker in a recent Instagram post. She wore a sleeveless knit top earlier this year, and you can stock up on lookalikes of the spring ...