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Don't let nutrition knock you off pace. The lightweight Nathan Swift Energy Belt is perfect for bridging gaps between aid stations or shorter training runs with 8 oz of fluids from an easy-to-grab, easy squeeze flask and a zipper pocket for gels, your phone or small accessories.


  • Black


  • Single included 8 oz Nathan Super-Flex flask
  • Angled, molded SpeedFit holster makes for for quick grab and return of flask (can not be removed from belt)
  • Adjustable and lightweight limited-stretch elastic waistband
  • Reinforced Stretch Mesh zipper pocket holds gels, phone  or small accessories (fits iPhone 4 & 5 with case)
  • Padded Air Mesh backing wicks moisture for comfort
  • Reflective Nathan logo increases visibility in low-light conditions
  • Add-on 1.5" Fusion Race Number Clips to hold your race number (sold separately)
  • Weighs 4.9 oz (139g )with empty flask

Sizes and Fabric 

  • One size fits most: fits waist sizes 26" - 42"
  • 60% Polyester / 40% Nylon

Flask Details

  • Easy-squeeze 8 oz Nathan Super-Flex flask
  • 25% bigger, soft silicone nozzle is easy on your teeth, keeps shape and doesn't leak
  • Delivers high flow rate of liquid with little effort
  • Soft grip cap is easy to open, even with wet hands
  • BPA-free and won't leech plastic taste
  • Bottle and cap are dishwasher safe on top rack

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