With its focus entirely on functionality and convenience, the Salomon S-Lab X Alp 20 is a backpack that satisfies your outdoor needs. Carrying this on your back is incredibly comfortable as it features a single line construction from shoulder to waist. This is why it mimics your body movements and is highly flexible. Stretch sternum strap over the chest expands as you breathe so that you never feel breathless. The hip belt is adjustable and fits snugly. Store your belongings in the large, zippered main compartment. It also has places to store hydration packs, nutrition, accessories, hiking gear and other small items.