Eastern Mountain Sports Impulse Hydration Pack

Priced: $55.30 Rated:   - 5 stars out of 5 by 6 reviews.
Eastern Mountain Sports Impulse Hydration Pack
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Color: Red Ochre
Red Ochre
Red Ochre
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Eastern Mountain Sports Impulse Hydration Pack - With two main compartments and a separate 2-liter water bladder sleeve, you'll be hard pressed to keep this pack off the local trails when the dirt finally dries.


  • Contoured breathable foam back panel creates lasting comfort


  • Separate hydration opening allows for easy access and refilling


  • With two main compartments and a separate 2-liter water bladder sleeve, the Impulse has all the space necessary for a full day out on the trails


  • Exterior shove it pocket quickly secures loose items
  • Small exterior pocket with key keeper


  • Two main compartments organize a long ride’s worth of gear
  • Bottom reflective loop perfect for attaching a light
  • 2-Liter Source water bladder with anti-microbial finish
  • Built for off trail use, the Impulse has the space and organization for any wheeled adventuring
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Review RatingNumber of Reviews
Cargo Capacity:775 cu. in. (12 L)
Fluid Capacity:2 L
Insulated Hydration Sleeve:No
Insulated Tube:No
Waist Belt:Yes
Weight:15.5 oz.

Eastern Mountain Sports Impulse Hydration Pack Reviews:


Awesome pack!

It's built for biking, but it's well adapted to so much more. It can easily be used to hydrate while on short day-hikes, a canoe trip, or during a long run. Comfortable and stylish, the included hydration system is at least on par with the other big names, if not better. The bladder is very easy to clean and the bite valve requires just a little pressure to produce water. Close the valve and leaks are non-existent. Plus, the chest strap buckle has a whistle built in, which is a very cool feature. Purchased with a gift card.
wakefilioso at Eastern Mountain Sports (EMS) on 01/01/2013

Great daypack hydration pack

I purchased 2 of these hydration packs for my 9 and 12 year old daughters. I have a similar 10 year old EMS model. Similar in that it has a 2 liter bladder and some extra storage so you can carry lunch and a wind breaker or light jacket when needed. I looked at the Camelbak Aurora and it has no such room for a jacket. Maybe a peanut butter sandwich. Best of all, the bladders have a unique "zip-lock" kind of top. So it can be opened wide to clean and dry out.
margar at Eastern Mountain Sports (EMS) on 12/12/2013

Awesome Pack!

This pack is awesome. I am a student who travels to and from school by bike or by running there. It is wide enough to carry a composition notebook, my tablet(all of my class books are loaded onto it), by graphing calculator and a pair of shoes or light jacket.
It meets all my needs and still fits inside my old Northface Sweeper.
Totally happy with it.
Josh K at Eastern Mountain Sports (EMS) on 02/02/2013

Great - Definitely a 2 Liter capacity.

Only problem we have noted is that the description online states it has a 2 liter water bag which it does but unfortunately the techinical specifications button states it has a 3 liter water bag which it does not. The technical specifications need to be corrected.
Diane & son at Eastern Mountain Sports (EMS) on 11/11/2013

Good Value

This is a very high value for the money. I was impressed by this when my nephew opened the box - and I'm not often impressed by outdoor gear these days - mostly because I've seen and used it all.
galvanni at Eastern Mountain Sports (EMS) on 01/01/2014


NAZARENO at Eastern Mountain Sports (EMS) on 07/07/2013