Model Number:

Made to go the distance, the Nathan Trail Mix 4 Energy Belt is ready at your side with hydration and fuel when venturing out on the trails or roads. This lightweight hydration belt holds 40 oz of liquid between 4 updated soft squeeze 10 oz flasks, features a unique swivel buckle that allows the belt to move with you, and two pockets stashes away nutrition, an iPhone of other small essentials.


  • Nathan Grey/Yellow


  • 4 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)
  • Dual side-adjustable, limited-stretch belt is light and strong; resists bouncing on-the-run
  • Swivi buckle allows belt to move with you and reduces chances chafing
  • Zipper pocket expands to hold phone, nutrition and other small essentials snugly in place (fits iPhone 4 & 5 with case)
  • Power Stretch Mesh outer pocket allows easy access to items with simple velcro closure
  • Airmesh moisture-wicking backing helps move moisture for comfort
  • Weighs 13.7 oz (389g) with empty flasks

Sizes and Fabric

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

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