- 5-liter capacity trail running vest - 3D mesh fabric for optimal breathability - Vertically adjustable chest straps on both sides - Quick-access elastic pocket at the lower back - Includes two 240ml soft flasks - Reflective film for visibility in the dark - Safety light holder to improve visibility in the dark - Space for a hydration bladder - Mesh pockets for energy gels and bars - Waterproof zipper pocket - Integrated whistle for emergencies - Shoulder straps for headlamp battery cables on both sides - Movable and adjustable pole mounts on both sides - Washable (hand wash)