US

Teton Oasis Trailrunner Hydration Backpack

  • 18 liter daypack, 6 pockets
  • 2 liter bladder included
  • 210D polyester honeycomb ripstop, 2 pounds
  • Sewn-in rain cover, body-mapping mesh
  • Limited lifetime warranty

Last refreshed Oct 2, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A lightweight hydration daypack with a bladder, a sewn-in rain cover and several pockets for hiking, running and cycling. The listing mixes details for two pack sizes, so check which one you are buying.

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ASIN: B09DRT16P9Model: 3218LVCategory: Hydration Packs

Colors Available

ArcadiaBlackBuck BrownBurnt OrangeDeep TealGunmetalHoneycombOliveOnyxPlumPomegranatePurpleRiversideStark RedVenice

Sizes Available

22 Liters

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Overview

A trail day with water on the back is the use case for this TETON Oasis daypack, which pairs a bladder with front and side pockets for first aid and food. Body-mapping mesh moves air against the back, and chest and waist straps adjust the fit.

The pack carries water and a day's gear in one place, and the rainfly is part of the bag rather than a separate piece. The title and description cover both the smaller and larger sizes, so the capacity and bladder volume for this listing need a check.

Who it's for

Day hikers and trail runners who want a ventilated pack with several pockets and an included bladder. Anyone planning an overnight trip, or who needs a streamlined vest fit, should look at a different pack.

Pros and cons

Pros
  • Bladder included in the set
  • Sewn-in rain cover
  • Mesh panel for airflow
  • Adjustable chest and waist straps
Cons
  • Listing mixes two pack sizes
  • Pocket count may overstate usable space
  • Not a minimal running vest
  • Weight with water not listed

Performance notes

Ripstop polyester resists snags on trail brush, and the contoured padded shoulder straps and adjustable chest and waist straps spread the load. The mesh back lets air flow so the pack runs cooler against the back during long climbs.

Specifications

Model3218LV
Dimensions & fit
Item Dimensions W x H10 x 18.5 inches
Weight2 pounds
Capacity & performance
Capacity18 liters
Tank Volume2 liters
Construction & materials
Material Type210D 2mm Polyester Honeycomb Ripstop
ColorOlive
Included components
Included ComponentsBladder, hydration daypack, rainfly
Warranty & support
Warranty DescriptionLimited Life Time
Other details
Sport TypeCamping & Hiking
Strap TypeShoulder strap (plus adjustable chest and waist straps)
Number Of Pockets6

Closest rivals on specs

Nathan Women's Hydration Vest
  • Capacity 18 vs 4 liters (+350%)
CamelBak Ambush Tactical Hydration Backpack
  • Capacity 18 vs 3 liters (+500%)
  • Tank Volume 2 vs 3 liters (-33%)
Compare all side by side

Frequently asked questions

Is the TETON Oasis Trailrunner a running vest?

No. The item type is a hydration daypack with six pockets, shoulder, chest and waist straps and a sewn-in rain cover.

What comes with the TETON Oasis Trailrunner?

The listing names the bladder, the hydration daypack and a rainfly.

Which size is this TETON Oasis Trailrunner?

The specs say 18 liters with a 2 liter bladder. The title and description also describe a 22 liter pack with a 3 liter bladder.