The Ghost pack goes above and beyond being ultra lightweight. This 15L pack is designed for trail running, fast hikes and longer rock routes. Fitting into a compact pocket, strapped around the waist or a larger pack, the Ghost breaks down easily to be nonexistent on days were being fast is the goal. Mesh shoulder straps keep the pack lightweight, elastic hip and chest straps keep the pack attach at all times. The strong fabric resists moisture and abrasion when the day takes a turn for the worse.