

UltrAspire Zygos 5.0 Hydration Pack
Feel the trail flow beneath your feet, unburdened and perfectly balanced as your gear becomes an extension of your stride with the UltrAspire Zygos 5.0. Designed for those who demand seamless integration, this pack’s dynamic MaxO2 Form and ErgoFit systems mold to your body, eliminating bounce and adapting to every breath and turn, whether you're tackling high alpine ascents or logging serious miles on a desert traverse. The thoughtful 14-liter capacity neatly stashes essentials for a robust day—from a full hydration bladder to lightweight layers and nutrition—all secured within intuitive pocketing that keeps what you need precisely where you expect it. Quick-draw front flask pockets ensure hydration is always at the ready, while dedicated trekking pole attachments allow for swift transitions from scrambling to cruising. Crafted from robust yet featherlight materials, the Zygos 5.0 offers enduring comfort and breathability, empowering fast-moving individuals to chase distant horizons with absolute confidence and agility.
PRODUCT CONDITION
This UnNew UltrAspire Zygos 5.0 Hydration Pack is in Good condition.
Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item.
With this item, the following damages were observed:
-wear on fabric
-hole in left lower pocket at seam
-light dirt/discoloration
TECH SPECS
- Lightweight, soft, breathable, but strong, large-holed mesh pulls moisture away from the body to keep skin dry and cool.
- Silicone and PU coated feather-weight nylon fabrics resist water, abrasion and tears.
- Max O2 Sternum™ for unrestricted breathing while maintaining a stable pack. Uses shock cord with good stretch for unrestricted breathing but also good rebound on the stretch for a stable ride. Patent Pending.
- Plush feeling micro-fiber polyester edges, soft and non-abrasive against skin and clothing.
- Sweat proof webbing—won’t absorb water or get saturated and heavy.
- Safety stitched bar tack on all stress points.
- Quiet, bounce free, easy to see and use, zipper pulls.
- Zig zagged stitching over elastic for ultra-durability, increased stretch and rebound.
- Simple, fast, easy in and out bladder attachment.
- Magnon pocket for sweat-free pills, with automatic magnetic closure for rapid access to pills and other essentials. Patent pending.
- Fit: Unisex
- Size(s): Large (34″-42″)
- Color: Pitch Black
- Hydration (included): 2L Reservoir with mag-clip to secure hose. (MISSING)
- Bottle Compatible (not included): UltraFlask, Formula 250, Human 20 oz 2.0, or Collapsible Bottle
- Capacity: 854 c.i. (14L)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Feel the trail flow beneath your feet, unburdened and perfectly balanced as your gear becomes an extension of your stride with the UltrAspire Zygos 5.0. Designed for those who demand seamless integration, this pack’s dynamic MaxO2 Form and ErgoFit systems mold to your body, eliminating bounce and adapting to every breath and turn, whether you're tackling high alpine ascents or logging serious miles on a desert traverse. The thoughtful 14-liter capacity neatly stashes essentials for a robust day—from a full hydration bladder to lightweight layers and nutrition—all secured within intuitive pocketing that keeps what you need precisely where you expect it. Quick-draw front flask pockets ensure hydration is always at the ready, while dedicated trekking pole attachments allow for swift transitions from scrambling to cruising. Crafted from robust yet featherlight materials, the Zygos 5.0 offers enduring comfort and breathability, empowering fast-moving individuals to chase distant horizons with absolute confidence and agility.
PRODUCT CONDITION
This UnNew UltrAspire Zygos 5.0 Hydration Pack is in Good condition.
Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item.
With this item, the following damages were observed:
-wear on fabric
-hole in left lower pocket at seam
-light dirt/discoloration
TECH SPECS
- Lightweight, soft, breathable, but strong, large-holed mesh pulls moisture away from the body to keep skin dry and cool.
- Silicone and PU coated feather-weight nylon fabrics resist water, abrasion and tears.
- Max O2 Sternum™ for unrestricted breathing while maintaining a stable pack. Uses shock cord with good stretch for unrestricted breathing but also good rebound on the stretch for a stable ride. Patent Pending.
- Plush feeling micro-fiber polyester edges, soft and non-abrasive against skin and clothing.
- Sweat proof webbing—won’t absorb water or get saturated and heavy.
- Safety stitched bar tack on all stress points.
- Quiet, bounce free, easy to see and use, zipper pulls.
- Zig zagged stitching over elastic for ultra-durability, increased stretch and rebound.
- Simple, fast, easy in and out bladder attachment.
- Magnon pocket for sweat-free pills, with automatic magnetic closure for rapid access to pills and other essentials. Patent pending.
- Fit: Unisex
- Size(s): Large (34″-42″)
- Color: Pitch Black
- Hydration (included): 2L Reservoir with mag-clip to secure hose. (MISSING)
- Bottle Compatible (not included): UltraFlask, Formula 250, Human 20 oz 2.0, or Collapsible Bottle
- Capacity: 854 c.i. (14L)





















