Nathan VaporKrar 4L Race Vest

Nathan VaporKrar 4L Race Vest
  • Color: Syeel Grey
  • Color: Syeel Grey
  • Color: Syeel Grey
  • Color: Syeel Grey
Syeel Grey
Please select options


Designed in collaboration with champion ultra runner and renowned minimalist, Rob Krar, this lightweight runner’s race vest is form-fitting yet breathable, designed specifically to fit the male torso, and features front hydration bottle pockets.

-Apparel-like fit with a lightweight, breathable structure
-Adjustable sternum straps attach for maximum flexibility and personalized comfort
-Rear main pocket with internal bladder pocket is compatible with a 1.5L bladder
-Multiple stash pockets for on-the-go access to essentials

  • Equipped with two 12oz ExoShot soft flasks, with extended straw tubes to easily sip fluids without removing flasks from the front pockets
  • Front storage for soft flasks, nutrition, smartphones sized up to iPhone 7 Plus, and other essentials
  • Storage Capacity: 335 cu in/4 Liters
  • Weight: 6.4 oz/181 g (without Soft Flasks); 10.4 oz/295 g (with Soft Flasks)
Sizing: VaporKrar 4L & VaporKrar 12L
  Chest at Sternum    
 US Size     IN CM
XS 30-32    76-81
S 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
Syeel Grey / Small 717064918201 PAC575054037
Syeel Grey / Medium 717064918218 PAC578481217
Syeel Grey / Large 717064918225 PAC576628647
Syeel Grey / X-Large 717064918232 PAC578761907