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Lightweight and made for speed, the updated Nathan Speed 2 waist belt comfortably carries 20 ounces of fluid between dual 10 oz super soft squeeze flasks. The limited stretch mesh belt resists bouncing and adjusts easily with a simple velcro closure that holds secure. The rear stretch mesh flip-top pocket stashes your phone, nutrition or small essentials; a small front weather-resistant pouch provides easy access to electrolyte capsules.


  • Black (4619NB)


  • 2 included 10 oz Nathan Super-Flex flasks
  • Molded SpeedFit holsters make for for quick grab and return of flasks (can not be removed from belt)
  • Limited-stretch elastic waist belt with soft perimeter binding holds secure and resists bouncing
  • Velcro belt closure makes for easy, one-handed adjustments on-the-run
  • Dual SureGrip finger loops make it easy to adjust position of belt up or down on your waist
  • Padded Air Mesh backing wicks moisture for comfort
  • Velcro closure, stretch mesh pocket for phone, nutrition or small essentials; internal divider and key fob (fits iPhone 4 & 5 with case)
  • Front weather-resistant velcro pouch for electrolyte capsules
  • Reflective details for increased visibility
  • Weight: 8.1 oz (230g) with empty flasks

Sizes and Fabric

Waist* 26 - 32" 32 - 38" 38 - 44"

*Measure in inches around widest point of your waist

  • 60% Nylon / 40% Polyester

Flask Details

  • Easy-squeeze 10 oz Nathan Super-Flex flasks
  • 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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