Rabs Veil products are designed for fast-paced activitieswhether you're running or walking briskly. Theyre a great choice for long workouts, ultralight hiking, and running events or races! Smartly designed pockets keep energy gels easily accessible. Packable trail running poles can be attached either to the front of the shoulder straps or into the side pockets. This pack has received a genuine IPX4 rating: it has been tested and proven to be dust-tight and resistant to splashing water (in other words, rain) from any direction. This helps keep your total pack weight downno need for extra waterproof stuff sacks! - Waterproof material with taped seams - Roll-top opening: lightweight, durable, and waterproof - The roll-top also functions as a compression system - Body-contouring carry system is comfortable even during long efforts - Shoulder straps and hip belt made fromMono Meshmaterial - Back panel length: 43 cm for size S, 48 cm for size M