Including timeless styles from Madewell and J.Crew. When I was slotted to become a T-shirt designer a few years ago, I was so confused about why it was a role. Tees, IMO, looked the same.

Casual hanging-out-at-home staples get a boost from bold accessories and pops of red. In Fashion From left: Nili Lotan jeans, $395, nililotan.com; Celine by Hedi Slimane shoes, $1,150, celine.com ...