Wherever adventure awaits, the Black Hole Pack is our trekking companion of choice. Water-resistant seams and zippers. Daisy-chain to attach extra gear. Two stash, two secure exterior pockets. Interior organizer. Add a bladder to convert to hydration pack. Bombproof and waterproof 1200 denier poly with a TPU film laminate. Catalog/web only. Dimensions: 19"x11"x5". (25L). cousin of the Black Hole Duffel.