Osprey EXOS 38 L outdoor backpack is suitable for multiple day travel. Highly breathable AirSpeed back system provides air circulation. Hip belt and shoulder straps feature ExoForm perforation. The lid is removable and height-adjustable. It features side mesh pockets with compression straps. It also features compression 7mm straps on the sides. Stow-on-the-Go system allows to attach trekking poles to the backpack.