• Osprey Manta 20
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Osprey Manta 20

Manta 20

Some might think a hydration pack is just a backpack with a water pack built in. To Osprey, a hydration pack should be a full system that organizes your gear, clothing, and hydration. So grab the smallest of its Mantra series, the Mantra 20 Hydration Pack, and enjoy its full set of features in a lightweight, compact construction.


  • Built-in shoulder strap magnet holds your bite valve right where you can reach it
  • Mesh backpanel supported by LightWire incorporates air vents so you don’t get bogged down by the sweaties
  • Mesh-covered, perforated hipbelt provides stability without sacrificing comfort
  • Main compartment stows larger necessities
  • Zip stow compartment keeps smaller stuffs organized
  • Helmet attachment daisy chain gives you a spot to hang your climb, bike, or ski helmet while it’s not in use
  • Integrated rain cover comes out when the clouds let ‘er rip
  • Included 3-liter reservoi

Reach out to our Customer Service team for assistance:

1 415 380 1882 (Mon - Fri, 10 am - 6 pm, weekends 11 am-5 pm) Pacific Time



SV offers the following USPS & UPS shipping options: 

Shipping Method Estimated Delivery Cost
Order total over $100:
Ground UPS / USPS
2-5 business days Free
Ground UPS / USPS 2-5 business days $7.95
Expedited – 2 Day UPS* 2-3 business days $19.95
UPS / USPS – Next Day Air Saver* 1-2 business days $34.95

Please refer to our Customer Support page for further information about international rates and our return policy.


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