I walk my Great Pyrenees every day and I need to carry doggie bags, dog treats, a handkerchief and my mobile phone. I was not going to look like a refugee from the 80's like so many others that wear a fanny pak so I've been looking for a very lightweight vest to wear during the warm summer months. This is perfect for my needs. Cell phone slips into the inside pocket and everything else I want to carry goes into the other pockets. I bought red for visibility and the fabric is very lightweight and breathable.