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Nathan QuickStart 4L Hydration Vest


Item # NAT003K

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  • Black, One Size ($69.95)
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Item # NAT003K


Get out and go.

Hit the ground running with just the essentials when you're wearing the Nathan QuickStart 4L Hydration Vest. This low-profile, minimalist running vest comes standard with a 1.5-liter hydration bladder, and an easy-access drinking tube, ensuring that a sip of refreshing water is never out of reach when you're in the middle of a run. A main back zippered pocket offers more than enough room for your extra layers and maybe lunch, while the two front pockets bring your nutrition bars and phone safely along for the run. Comfort isn't overlooked thanks to the adjustable front and side straps to dial in an exact fit, and the soft perimeter binding prevents chafing with your constant movement.

  • Minimalist hydration vest pack to keep you moving with water
  • Included 1.5-liter hydration bladder keeps a drink close by
  • Adjustable side straps customize the fit
  • Multiple pockets stash your layers, energy bars, and phone
  • Soft perimeter binding prevents chafing

Tech Specs

4L (244cu in)
Shoulder Straps:
Hydration Compatible:
Reservoir Included:
yes, 1.5L
2 side
Recommended Use:
hiking, road running, trail, trail running
Manufacturer Warranty:



Claimed Weight

Claimed weights are provided by the vendor.

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Size Chart


Chest  33 - 39in
(83 - 99cm)
37 - 46in
(94 - 117cm)
Chest 28 - 33in
(71 - 84cm)
31 - 36in
(79 - 91cm)
34 - 40in
(86 - 102cm)
How to Measure:
Measure 3" below underarms at the widest part of your chest, keeping the tape a bit loose.

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