Hands down, the Thunderbolt is the most versatile belt for runners that need enough liquid (water/sports drink) and fuel to go that extra distance - whether a marathon or a 50K. Because on race day, runners that lose precious seconds to competitors from pinching those annoying water station cups might have to settle for a pair of socks versus all the money.
Storage Capacity: I.D./Key Pocket
Fluid Capacity: (3) 10oz./0.3L Bottles + 4oz./118mL/Gel Flask Included
Sizing: XS(26-29) S(29-32) M(32-35) L(35-38) in.
Material: 3D AirMesh body panel for optimal breathability