Nathan VaporKrar 12L Race Vest

Nathan VaporKrar 12L Race Vest
  • Color: Bluestone
  • Color: Bluestone
  • Color: Bluestone
  • Color: Bluestone
  • Color: Bluestone
Please select options


Developed with the demanding specifications and endurance testing of world-class ultra runner, Rob Krar, this men’s-specific, body-mapped runners’ vest is the ideal companion for those longer adventures and training days where there are no aid stations.

-Includes the patented 1.8L Vapor hydration bladder, with a new design to reduce sloshing.
-Apparel-like fit with a lightweight, breathable structure
-Compression system tightens the load against your back for stability
-Adjustable sternum straps attach for maximum flexibility and personalized comfort
-Rear bladder pocket is easy to access on-the-go
-Main rear zippered pocket with internal stash pocket
-Multiple stash pockets for on-the-go access to essentials

  • Front storage for soft flasks, nutrition, smartphones sized up to iPhone 7 Plus, and other essentials
  • Storage Capacity: 732 cu in/12 Liters
  • Weight: 12 oz/340 g (Weight Includes Bladder)
Sizing: VaporKrar 4L & VaporKrar 12L
  Chest at Sternum  
 US Size    IN CM
XS 30-32 76-81
33-35    84-89
M 36-38 92-97
L 39-41 99-104
XL 42-44 107-112

How to Measure Race Vests / Hydration Packs


Measure the circumference of your Chest at Sternum and select a size based on your measurements.

** For items with different torso lengths, measure from the top of your shoulder down to your Natural Waist (bottom of your rib cage).

How to Measure


VaporKrar: “The perfect hydration vest”

Part Numbers

Option UPC Store SKU
Bluestone / Medium 717064918263 PAC565211327
Bluestone / Large 717064918270 PAC564349597
Bluestone / X-Large 717064918287 PAC562935987