Looking for an adventure backpack that can do it all? Look no further than the Tropicfell SHELL Backpack. This 3-in-1 backpack easily shifts between 22L and 40L, so you can go from a day hike to a longer camping trip with ease. The built-in wardrobe system helps you save space, while the waterproof design keeps your belongings safe and dry. Plus, the comfortable straps make it easy to carry, even when your pack is full. And because it's made from recycled materials, you can feel good knowing that you're helping to protect the environment.