This jacket is actually a portable shelter for homeless people

It's almost 6 p.m. on a Thursday night in February, and Bas Timmer is walking around a park in New York City looking for people who might be homeless. 

He finds a 24-year-old woman sitting on the ground with her two dogs, one constantly licking the other in a nurturing way. Timmer is a 29-year-old fashion designer from the...