Once again, dads and nerds are absolutely winning the fashion game. We’ve already seen the rise of “ugly” sneakers, dad hats, Bermuda shorts, and ’70s-style glasses. Now, with spring in full swing, we’re officially in the era of the sweater vest. These sleeveless wonders didn’t just appear out of the ether — luxury designers have been surfacing various styles throughout recent seasons — but spring means this trend is peaking. And, we already took it upon ourselves to browse the top online shops for the best sweater vests inspired by Dad.