The NB600 is our original hydration belt, now supersized for maximum capacity. Designed for long training sessions and races, it’s ideal for everyday runners and endurance athletes, from marathons and Ironman events to ultras. The lightweight, no bounce hydration belt carries 2 x 300ml bottles, gels, your phone, keys, and a race bib with total comfort. Stay hydrated and support faster performance and recovery with the NB600. BEST SUITED FOR: All distances, all paces NO BOUNCE Half Marathon Marathon Ironman 70.3 or full distance Ultra Running SIZE BELT: Stretchy (NO bounce) adjustable strap Hip measurements 71 - 115cm hips or 28 - 45 inches POUCH SIZE: H: 11cm L: 19cm Fits most sized phones (if using a iPhone max, remove case when using belt to mazimise space) Holds race number Holds up to 6 energy gels or 4 chews, phone, keys and more.