ACE 75
ACE 75
ACE 75

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Made for kids who want to go deep in the wilderness, Osprey’s Ace 75 is has the capacity and organization required by outdoor education groups such as NOLS or Outward Bound.

Although designed for youth, it has the same award-winning LightWire™ suspension as Osprey’s adult models. The mesh back panel and shoulder harness work in conjunction a Fit-on-theFly™ hip belt to ensure all-day comfort.

The lid of this top-loading pack is removable for quick forays from camp. There are two zippered compartments in the top lid to keep sundries organized. Two additional mesh side pockets and a front mesh pocket add more quick storage options. A separate sleeping bag compartment at the bottom of the main compartment provides security and compression for this bulky but critical item. Additional compression and gear storage options come with upper and lower side straps.

A sewn daisy chain, Stow-on-the-Go™ trekking pole attachment, an adjustable ice tool or fishing rod loop, and zippered hip belt pockets make this pack a truly trail worthy companion. And with the torso length adjustable up to 5”, this pack will last your child for many years of outdoors adventure.

Key Attributes

Torso Adjustment

This pack offers the maximum in torso adjustment so the pack can grow with the user. The upper back panel and harness adjust up to 5" (13cm) along the peripheral LightWire™ frame for optimum load transfer and a fine-tuned fit.


An integrated and removable raincover protects your gear from foul weather. It stows away in its own external pocket at the bottom of the pack.

Additional Features

  • Top load access to main compartment is simple and easy
  • Zippered under-lid pocket for sundries
  • Upper side-release buckle compression straps to quickly adjust the load
  • Daisy chain for additional gear
  • Lower InsideOut™ side compression straps add stability
  • Dual stretch mesh side pockets for easy access to snacks or water bottles
  • Lower zippered sleeping bag compartment with divider keeps bag compressed and secure
  • Large stretch mesh front pocket for quick storage
  • Sleeping pad straps save space inside pack
  • Integrated rain cover keeps gear dry
  • Zippered top lid pocket keeps small items handy
  • Internal reservoir sleeve for hydration
  • Removable floating top lid adds packing versatility
  • Fit-on-the-Fly™ hip belt grows with the child
  • Zippered hip belt pockets secures camera or snacks
  • Internal compression strap provides load stability
  • Adjustable ice tool or fishing rod loop for extra fun
  • Stow-on-the-Go™ trekking pole attachment keeps poles in place when not in use
  • Attachment for an Osprey Daylite daypack gives optional volume

Carry Information

Lightwire™ Frame/HDPE Framesheet Suspension

  • LightWire™ frame and 1.2mm HDPE frame sheet

Airscape Backpanel

  • Mesh covered ridged foam

Spacermesh Harness

  • Adjustable seamless spacer mesh harness

Spacermesh Hipbelt

  • Fit-on-the-fly™ adjustable hipbelt (75l / 50l)
  • Fixed spacermesh hipbelt (38l)


  Volume Dimensions Weight
O/S 4577 in3 / 75 l 31h x 13w x 14d in. 3.55 lbs.
O/S 4577 in3 / 75 l 79h x 34w x 35d cm 1.61 kg
210D Nylon Double Diamond Ripstop
420HD Nylon Packcloth
420HD Nylon Packcloth
Product Manual Additional languages available here �


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ACE 50 depicted in image
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Top Pocket

Single compartment top pocket with underlid zippered mesh pocket delivers internal gear storage options and easy access to often needed items

Top Load Access

Top load access through a drawstring closure to main compartment storage, internal load compression strap and sewn-in hydration sleeve / hanger provides easy loading and unloading of contents

Upper Compression

Dual side, adjustable upper compression straps compress and stabilize loads while providing external gear carrying options

Daisy Chain

Dual side daisy chain attachment provides additional external gear attachment options

Integrated Raincover

An integrated, removable raincover deploys from the zippered bottom compartment to provide full weather protection

Sleeping Pad Straps

Dual adjustable/removable sleeping pad straps allow additional external gear carrying options and can be removed for weight savings

Stretch Mesh Front Pocket

An adjustable stretch mesh front panel pocket provides additional external storage and organizational options

Side Pockets with InsideOut™ Compression

Dual stretch mesh side pockets with InsideOut™ compression provide additional external carry options and allow the user to compress and secure loads even when the side pockets are in use
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Great backpack for Philmont!


A great backpack for Philmont Scout reservation in New Mexico for a 14 year old. Very lightweight and adjustable. Plus, it has a built in raincover. My son is still hiking with it at 16 years old and loves it.

Red Bank, NJ


ACE 75

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