Nathan Peak Running Hydration Waist Pack Belt w/ Speed Draw Flask Water Bottle
- 18 ounce Speed Draw flask included
- 46 inch strap length
- 2 pockets, one expandable and zippered
- Polyester blend, hand wash only
- 0.18 kg listed weight
Last refreshed Oct 2, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A waist belt that carries one flask on an angled holder, for runners who want a low-bounce way to carry water. The listing says it is not water resistant.
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ASIN: B00EWJIVX8Model: 4873NBCategory: Hydration Packs
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Overview
A long run is where this waist belt earns its place, with an angled insulated holder for the push-pull flask and a zippered stretch pocket for a phone or keys. An ergonomic design aims to stop bouncing and sloshing.
A flask that draws easily at pace and a belt that stays low on the hips are the reasons to choose it. Hand wash care and no water resistance limit its use in heavy rain, and one flask carries only a modest amount of water.
Who it's for
Road and trail runners doing short and medium runs get hands-free water without a vest. Anyone planning long unsupported efforts or wet-weather outings should choose a vest or a belt with a water-resistant rating.
Pros and cons
- Angled insulated bottle holder
- Push-pull race cap
- Expandable zippered stretch pocket
- Light for running
- Not water resistant
- Hand wash only
- One flask only
- Waist size range unclear
Performance notes
Angling the bottle toward the hand lets a runner draw and replace the flask without stopping. The stretch pocket expands with a phone or gels, but the belt rides lower as the load grows. Fit depends on the strap length against the waist.
Specifications
| Brand | Nathan |
|---|---|
| Model | 4873NB |
| Dimensions & fit | |
| Flask size | 18 ounces |
| Strap length | 46 inches |
| Dimensions | 11 x 5 x 5 inches |
| Weight | 0.18 kg |
| Construction & materials | |
| Material Type | Polyester Blend |
| Color | Black |
| Other details | |
| Number Of Pockets | 2 |
| Closure | Zipper |
| Water resistance | Not Water Resistant |
| Care | Hand Wash Only |
Closest rivals on specs
CamelBak Dart Run Vest- Item Weight 0.4 vs 0.46 pounds (-13%)
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Frequently asked questions
Is the Nathan Peak hydration belt water resistant?
No. The listing says Not Water Resistant, so a phone in the pocket needs its own protection in rain.
Does the Nathan Peak belt come with a bottle?
Yes. The listing includes an 18 ounce Nathan Speed Draw flask with a push-pull race cap.
Is the Nathan Peak a hydration vest?
No. It is a waist belt with a single bottle holder and two pockets.