RidgeNoteRidgeNote
Start HerePack BuilderCompare GearGuidesBest ofHuntingGear Lists
ProShakedown
RidgeNoteRidgeNote

Know your carry. Backpacking gear on the makers' own figures, with the source shown where we have one: build your pack and check it before you go.

Get the Field Dispatch

One email a month: gear newly on record, any change to a maker's own list price, and one field note.

Gear

  • Tents & Shelters
  • Sleeping Bags
  • Sleeping Pads
  • Backpacks
  • Insulated Jackets
  • Cook Systems
  • Hunting Gear
  • Best-of Lists

Explore

  • Pack Weight Calculator
  • How Much Should a Pack Weigh?
  • Compare Gear
  • The Shakedown
  • Backpacking Checklist
  • Fuel Calculator
  • Water Carry Calculator
  • Start Here
  • Backpacking Gear Lists
  • Gear by Brand
  • Buying Guides
  • The Field Dispatch
  • Open Gear Data

Company

  • About
  • Contact
  • Privacy
  • Disclosure
  • Terms

© 2026 RidgeNote. Some links are affiliate links — we may earn a commission at no cost to you.

As an Amazon Associate I earn from qualifying purchases.

BrowsePackSaved
Gear / Backpacks & Packs

Gregory Baltoro 65 vs Stone Glacier Sky 5900

Baltoro 65 is the lighter of the two by 78 g (2.8 oz).

Where to buy

Baltoro 65

  • Check price on Amazon→

Sky 5900

  • Check price at Stone Glacier

As an Amazon Associate I earn from qualifying purchases.

Weights and prices are the manufacturer’s published figures. The lower weight and the higher R-value are highlighted.

Baltoro 65

Gregory

Sky 5900

Stone Glacier

Weight
78.7 oz
81.4 oz
MSRP
—
$725.00
Capacity / volume
65 L
—

Which one to choose

  • Choose the Gregory Baltoro 65 if every ounce counts — 78.7 oz against 81.4 oz.
+ Add the Baltoro 65 to my pack+ Add the Sky 5900 to my pack

Questions this comparison answers

Is the Gregory Baltoro 65 lighter than the Stone Glacier Sky 5900?
Baltoro 65 is the lighter of the two by 78 g (2.8 oz).

Gregory Baltoro 65

Source not recorded.

“The Baltoro 65 is Gregory's multi-day pack, with FreeFloat suspension, front access, a sleeping bag compartment and a rain cover.”
Full specs and prices for the Baltoro 65 →

Stone Glacier Sky 5900

Source not recorded.

“The Sky 5900 blends function of a front panel zip with the versatility of the proven Sky design. The Sky 5900 weighs 5.55lbs on a Medium Xcurve Frame. The large front panel zip allows quick access to virtually the entire pack while the Sky design offers excellent compression. The Sky 5900 can go from a 4,300 cubic inch bivy mode to a full volume of 5900 cubic inches with the Sky Lid.”
Full specs and prices for the Sky 5900 →

Ranked guides for this shelf

  • What Is the Lightest Backpacking Pack in 2026?

The next question

  • Baltoro 65 vs Atmos AG 65 Backpack
  • Atmos AG 65 Backpack vs Sky 5900
  • Baltoro 65 vs Goshawk 6300
  • Gorilla 50 vs Mariposa 60 Backpack
  • Atmos AG 65 Backpack vs Exos 48
  • Causeway 28L - Asphalt vs Sweetwater UL 28L - S | M
Add a third item to this comparison·All backpacks on the register