The Hydrogen is a technical backpack designed for active use in the great outdoors. Manufactured in TCZ Lite Ripstop fabric, the Hydrogen is designed to offer lightweight but durable performance. Details include a DWR finish for water repellency, zipped pockets, side compression straps, walking pole loops, raincover, padded air mesh back and padded air mesh hip belt. The Hydrogen also features a useful raincover. A great choice for your next adventure in the great outdoors.