Built for ultramarathons and ultra-long training runs, this pack is ready to go the distance. Its perfectly balanced design has enough capacity to bring everything you need but isn't heavy or rigid as you run. From layers, snacks, and gear to all the hydration you could ask for, this pack will help you crush your next distance goal.

• Low-profile running pack built for ultras and long training runs
• Included bottles let you keep water and an electrolyte mix separate
• Hydration-compatible design holds a 3L reservoir for long, hot runs
• Unobtrusive trekking pole carry system minimizes bounce
• Flexible yet durable materials move with you in the mountains
• Comfort Cinch system adjusts your load and fit in a flash
• Front stretch mesh pockets are phone compatible for easy storage
• Main compartment holds any layers you need for changing weather
• Claimed Weight (without bottles) 6.3 oz
• Pockets: 2 water bottle, 3 front stash, 1 weather-resistant, 2 zippered rear
• Bottles: 2 - 500ml Body Bottle 
  
• Volume: 10.3L (629cu in)
• Material: flex mono mesh, micromono mesh, 20D coated nylon, stretch nylon ripstop