FuelBelt Helium Stretch Belt Packs & Carriers Black/Pink Pow Pow : The FuelBelt Helium Stretch Belt provides a sleek and lightweight carrying system that wont get in the way of your next PR. The unisex fit is perfect for any runner to wear comfortably. Micro race locks provide a quick and easy to attach your race bib without ever using pins. Unisex fit. Made with Helium Hex airflow fabric for breathability. 360Adeg reflectivity provides enhanced visibility. Water resistant micro storage pocket. Adjustable custom fit with quick closure buckle.