The most versatile running vest in the range, the Camelbak Ultra 4 is equipped with expandable storage capabilities suitable for a wide range of distances and conditions.

Securely housing a 2L Antidote® reservoir, the Ultra 4 also has stretch pockets on the front for two extra water bottles as well as a stretchy mesh compartment with enough room for an extra clothing layer or two.

Sweat proof pockets protect your phone and keys and there is pockets specifically for energy gels or salt tabs. Functionally designed with an external fill port and an adjustable hook and loop harness with two sternum straps for unrivalled stability on the trail.

• 2L Antidote® reservoir with shutoff valve
• Adjustable harness
• Dual slider sternum straps
• Sweat proof pockets
• External fill port
• Reflective tabs