and wander - Ecopak 45L Backpack - BlackOverview ECOPAK fabric which has low environmental impact is used for the main body. It is made of 100% recycled polyester material with a fluorine free water repellent finish that has a water pressure resistance of 20000 mm and high durability. Combining INVISTA's silicon coated CORDURA nylon material. The pockets are concentrated on the front so that you can put in and take out small items while carrying it on your back. The rain lid can be used as