The popular Mini Pump has been in production for quite some years. Its function is brilliantly simple: a fill foam restores the pump body to its shape after each press (with your hand or foot) taking air into the pad. Repeat until the pad is full. Its best to take the new Mini Pump out of its storage pouch and keep it uncompressed. This way, the foam inside stays as springy as possible. *Why use a pump? Many modern pads have a fairly large volume, making them laborious to inflate by mouth. But the main reason for using a pump is that it prevents moisture from entering the padexhaled air is very humid. - The pump connects directly to all Exped mats, and with the included Universal Adapter, to many other mats as well -[Thingiverse](https://www.thingiverse.com/exped_expedition_equipment/designs) has 3D-printable files for adapters compatible with mats from other brands