Nathan Zelos Backpack Men's
Nathan Zelos Backpack Men's

Nathan Zelos Backpack Men's


A versatile pack for almost any running adventure

"More is less" with the high capacity, ultra-lightweight Nathan Men's Zelos Hydration Pack. An included 18 oz. / 535 mL SpeedDraw Flask in the front pocket provides extra fluid capacity for those thirsty for more water - and longer adventures.

Product Features

  • Designed to best fit the male torso
  • 9L of total storage capacity (including 2L bladder)
  • Comes with 2L bladder with quick-release hose connector for easy cleaning
  • Equipped with one 18 oz. / 535 mL SpeedDraw Flask in right pocket
  • Two front bottle pockets and one front zip smart phone-compatible pocket
  • Rear external shock cord for increased capacity
  • Newly engineered 3-Way Propulsion Harness™ stabilizes side-to-side / up-down movement of bladder and other contents for a bounce-free ride
  • Stash pocket over left front pocket fits several gels
  • Wall mesh shoulder straps are highly breathable
  • Pill pocket for electrolyte tabs
  • Gusseted stretch mesh rear pocket for increased capacity
  • Internal stash pocket and key clip
  • Perforated back panel for breathability and weight reduction
  • Easy on / off with full side adjustability
  • Reflective trims
  • Weight: 18 oz. / 510.3 g (weight includes bottle and bladder)
  • Storage Capacity: 531 cu in / 8.7 Liters with bladder, 433 cu in / 7.1 Liters with bladder