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Fly Racing H4 Harness Hydration Pack

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Fly Racing H4 Harness Hydration Pack

Featuring the same harness system as the H2, but with an additional 5 liters of cargo space along with a 2.5L bladder.  The H4 harness pack has enough room to carry snacks, inner tubes, waterproof outerwear, or almost anything else you might need on a long ride.  With all the weight on your back on every bump, Fly's exclusive harness system eliminates all that excess bouncing.


  • Harness type design is specifically engineered to be worn with any of the Fly neck braces by Leatt
  • 5L (170 oz) of cargo space
  • Bladder holds 2.5L (82 oz)
  • Eliminates excess bouncing
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Fly Racing H4 Harness Hydration Pack
Already Asked: 1 Question
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Matthew Y asked: Exactly how large is this bag? I don't want something too big. Also, is the water bladder insulated to help keep it cold? Thanks Jul 23, 2015
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Product Style RevZilla Item # Manufacturer Product # Availability
Black 885948 NFLY H4 BACKPACK BLK In Stock: Ships within 24 hours