MSR DromLite Bags

Weighs 146g (4 Litre size)
Code: SS17208V
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A Strong and lightweight option for water storage in the field.

MSR says:

DromLite Bags offer high-capacity water storage yet collapse all the way down to the size of their cap.

This supreme packability comes with the weight savings to match to keep you moving quickly on the trail. Reconstructed of a rugged film and RF-welded seams, they offer reliable durability. Inside, an improved BPA-free food-grade lining ensures better tasting-water and can handle freezing.

Accessories like the Shower or Hydration Kits add do-all versatility, and the new svelte 3-in-1 cap lets you fill, drink and pour with ease.

MSR's DromLite Bags are made from durable material with a strong construction, this makes them a good option for longer trips.

With the 3-in-1 lid you can pour out of the smallest option for small bottle openings or to pour straight into your mouth, the medium sized option which is probably the most useful and the large standard 'wide-mouth' opening for easy filling, cleaning and drying.

- Reviewed by Ultralight Outdoor Gear

Help and advice:
  • Extremely Compact: High-capacity yet folds down to the size of its cap for ultimate space-savings—an elastic bungee keeps it tightly folded when empty.
  • Light: Lightweight, durable film construction is perfect for fast and light travel, backpacking and hiking.
  • Improved Attachment: Loop at top makes it easy to hang and carry.
  • Durable: Made with rugged film and RF-welded seams.
  • Safe Drinking: BPA-free.


  • Weight: 130g
  • Size: 21.6 x 39.4cm


  • Weight: 146g
  • Size: 25.4 x 45.7cm


  • Weight: 166g
  • Size: 28.6 x 50.8cm
Showing our 2 MSR DromLite Bags reviews with an average rating of Very Good. Would you like to write a review?
Review Summary - 4 out of 5 based on 2 ratings.
August 13, 2020 | Kevin Klein
Ideal water storage system

I was looking for a bag that is compatible with the MSR Hyperflow microfilter. The 4 litre version seemed like the right choice for me. Applying the lid on it that will lock with the filter, it makes the water pumping process easier and more efficient. Ideal as a backup for your drinking bottles, cooking and cleaning. Just a little bit pricey if you ask me, but worth it for complementing any MSR hydration system.

Ultralight Outdoor Gear Limited
June 22, 2019 | Helen
Good, but slightly fiddly.

Got this to avoid buying a new bag every year for various camping and festival trips. Good sized, easy to fill and the carry handle and small nozzle works well. But the midsize cap is a pain to put back on, the loop to prevent losing is slightly too short and gets in the way. Annoying as it's the ideal size to fill pots etc from.

Ultralight Outdoor Gear Limited