The all new rogue light is everything you crave for the everyday trail: minimal, durable, cool and comfortable. Features. Lightweight and durable materials. Air support light back panel with body mapping technology. Ventilated harness. Integrated tool organization. Secured zippered pocket. Stretch overflow pocket. Reflectivity. 7l: 420 cu in. 5l: 300 cu in. 38-53 cm: 15-21 in. 215 g: 8 oz.