Gregory Endo 15 L vs REI Co-op Trail Hydro 20 L Hydration Pack - Men's

  • Great for day hikes
  • Comfortable and lightweight
  • Plenty of storage and pockets
  • Zippers are high quality
  • Great for day hikes
  • Comfortable
  • Good size for carrying a lot
  • Water reservoir is genius
  • Hip belt is also very comfy


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