Summer is full of last-minute trips to the beach for salty air and beach bumming. Packing for the beach should be fun and set to a Carly Rae Jepsen soundtrack, not stressed over. The top priority for a day in the sun? Traveling light. The bulkiest item should be the 12-pack of beers you’re bringing, and those will be getting recycled on the way home anyway. Who wants to lug around a heavy tote bag of stuff you’re not even…