[Outdoor Products] Backpack

A two-layer, large-capacity backpack (capacity: 40L) with a different print for each color. Black...The print color changes from black to white when exposed to heat (approximately 31°C or above). White...The print color changes from white to purple when exposed to UV rays. Aurora...The print color changes depending on the angle. The convenient two-layer main compartment has only the lower space made of water-resistant material.