The Mountainsmith Tour Black/Yellow Lumbar Waist Fanny Day Pack Bag is a large, durable hiking backpack designed for outdoor enthusiasts. This waist pack features a stylish black and yellow color scheme with accents that add a pop of color. Made from a combination of polyester and nylon, this backpack is built to withstand the demands of hiking in the summer season. With adjustable size, a hip belt, and external pockets, this Mountainsmith waist pack is perfect for carrying essential items while exploring the great outdoors.