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3L Hydration Reservoir - Wildcat Backpack

This is a replacement 3.0L Hydrapak reservoir for the Wildcat 8L and 12L Backpack.

It features an insulated removable hose with twist on/off valve. The Slide-Seal closure quickly opens up the entire top of the reservoir, making filling and cleaning a snap. You can even turn it completely inside out!

The reservoir is made by Hydrapak from puncture & abrasion resistant RF welded-seam TPU.

  • Compatibility: Wildcat 8L and 12L
  • Capacity: 3 L / 100 fl oz
  • Dimensions: 445 x 165 mm / 17.4" x 6.4"
  • Weight: 141 g / 4.9 oz

TPU, PP/POM, ABS, Silicone


The opening is what would be the middle "handle" piece when you flip the flap upwards. It can seem like it is attached to the harder, clear plastic, but the darker, black/gray plastic material should peel away from the stiffer bit.

Customer Reviews

Based on 2 reviews
3L Hydration Reservoir

Excellent reservoir and great Mosko Moto design. 3L is perfect for all day use. Won’t ride without my Wildcat pack.

Anthony Mattos
The wildcat!

I want to say that this pack came out two riding seasons ago? And is also my daily pack. I feel like thats enough time to give an accurate review as I’ve put this bag through hell on two wheels in the beautiful Oregon Washington and California outback. Firstly, I can’t get past the quality of the fabric and stiching. A lot of details were taken into consideration when dreaming up this bag. It’s got plenty of storage for all of your essential gear that needs to stay on your back when getting out and dirty and has plenty of webbing to strap whatever you want to it. Adding to this awesomeness, this pack is fully adjustable so you can get the perfect fit for your body.
When I ordered the pack, I did look at that price and had a moment of pause. I didn’t know of any brick and mortar store carrying their gear. So, I rolled the dice and was stoked that I did.
I also made a color choice initially that I didn’t like and when I called them a HUMAN answered the phone!! And they were cool about giving me the awesome blue color.
I almost wish I didn’t buy new klim riding gear two years ago just so I could try out what Mosko Moto has to offer. Don’t even get me started on their reckless panniers. I cannot wait to give those try.

Mosko Moto dudes, thank you so much for bringing us adv’ers another option outside those bigger companies. You have a life long customer solely based on your innovation, your quality of product and you amazing customer service. Also, thank you for the stickers!!

Hey, Anthony!

Thanks so much for your kind words! We are so glad you have had a great experience with your Wildcat. We have some truly creative dudes and dudettes in our design department. It's fun to see what they come up with.