The Rugged Bag
Credit: Photograph by Greg Broom

Have a bag for every situation: a grown-up's backpack (like this one from State), a rugged leather tote, and a sleek briefcase. Find the right ones and they'll last a lifetime – unlike that duffel bag you've been lugging to the gym. [Club Monaco Nate Leather Tote, $349; clubmonaco.com]