The Mountain Warehouse Trail Hydro 2L Backpack is crafted from 100% polyester fabric for durability. It boasts a single main compartment and one front pocket, providing ample storage space with a total capacity of 2 liters. This backpack offers a range of convenient features such as an adjustable strap, air mesh back for breathability, a carry handle, and compatibility with hydration bladders. It also includes a mesh strap, padded back for comfort, a sternum strap, and is hydration bladder compatible. Notably, the filling material is 75% foam and 25% PU (Polyurethane). Please be aware that a hydration bladder is not included with this product. The design includes a logo, plain areas, and text elements.