When the stores start filling up with linen and seersucker, madras plaids and gingham checks, blue blazers and flower-print shifts, there’s only one conclusion to be drawn: The preppy look is back.

And if you’re heading to the beach over Christmas – or you plan to put some in laps at the pool – Sage & Clare has also just released a collection of towels, robes, hats and bags, all in time for ...