Mountainsmith Knockabout 4L Sling Bag

A phone keys sunglasses lip balm sunscreen and your mid-day graham cracker snack is a tall order for your pant's pockets--even with that nifty little coin pocket. Designed to free up some space in your britches the Mountainsmith Knockabout Sling Bag boasts a compact yet roomy design that will store all of your essentials whether you're out for walk going to a concert or just going to work.