The Alltrail 25L Daypack features durable 420D polyester and 330D ripstop polyester fabric. It offers 25 liters of storage volume with multiple compartments, including zippered lid, hip belt pockets, side water bottle pockets, and a front shove-it pocket. The pack has padded, adjustable shoulder straps and waist belt, is hydration compatible, and includes trekking pole carry, gear loops, and compression straps. Dimensions are 9.4 x 10.2 x 23.6 inches with a claimed weight of 1.95 pounds. It comes with a limited lifetime warranty.