You are using a web browser we don't support. Please use the latest version of one of these browsers.

Mozilla Firefox

Google Chrome

Apple Safari

Microsoft IE

Back to top
Nathan Grey
Nathan Grey

This product is no longer available, but don't go just yet.


  • Mesh shoulder straps and back panel channel air across your body and wick moisture away to improve overall comfort
  • Soft-touch, elastic perimeter keeps the vest in place
  • Zippered reservoir compartment zips open and provides quick access to the 2-liter hydration bladder
  • Elastic cord on front lets you stash a shirt or lightweight shell on outside of pack while on the move
  • The Nathan VaporWrap vest features a zippered back pocket, 2 zippered pockets on shoulder straps, 2 zippered side pockets and 2 water bottle pockets on shoulder straps
  • Dual sternum straps keep vest close to body
  • Please note: for sizing, please order based on normal clothing size


View all Nathan Daypacks

REI membership


Best Use Running
Frame Type Frameless
BPA Free Yes
Gear Capacity (cu. in.) (w/ bladder) 400/(w/o bladder) 500 cubic inches
Weight 1 lb. 7 oz.
Material(s) Nylon/polyester/spandex
Number of Exterior Pockets 7 + hydration compartment
Dimensions 16 x 7 inches
Gender Unisex
Liquid Capacity (fl. oz.) 67.6 fluid ounces
Liquid Capacity (L) 2 liter

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more