and wander ECOPAK 20L Daypack - BlackAnd Wander have been at the forefront of creating technical packs with optimal details and materials for some time. The ECOPAK Daypack is constructed in a fully recycled polyester known as ECOPAK, a strong durable material which minimises environmental impact. It has a water repellent finish with a laminated zip to the main compartment, internally there is a drop in security pocket. Externally, an adjustable mesh pocket runs the full width of the bag.