- Description Ultimate Performance Fleet 6 Race Vest Pack 6ltr The Fleet 6 is a lightweight hydration pack that is perfect for long distance races and events. Designed in a race vest style it can be easily adjustable so that it hugs the body making it comfortable over the longer distances. Features: Lightweight race vest style pack 2 x 500ml Flexi Flask with straws included. Wicking air-mesh back and air flow channel for breathable comfort in use. Ultra-light air mesh shoulder straps reduces irritation on the shoulders and helps balance weight in the pack for additional comfort. Adjustable chest strap with height slider Reflective details – stay safe as the light fades Twin front secure pockets for phones, keys and maps Twin front stash pockets – ideal for bars, gels and other food (or rubbish) 6L of storage space in main pocket Main pocket has to option of holding a 2.0L bladder if required (bladder not included) Single finger zipper loops – quick and easy to use. Storage bungee rack system for lightweight trekking poles.