By Billy G. · Founder & Lead EditorVerified May 18 by Billy G.
Osprey Atmos AG
Osprey Atmos AG 65vs
Gregory Baltoro 65
Gregory Baltoro 65
✓VerifiedConfidence: 89%
Verdict: The Gregory Baltoro 65 carries heavy loads more comfortably; the Osprey Atmos AG 65 is cooler on your back for fast-and-light trips.
How we scored itSpec verificationOwner sentimentLive pricing (4h refresh)Editorial reviewOur methodology →
Winner: Gregory Baltoro 65
Osprey Atmos AG 65: 7.1/10
Gregory Baltoro 65: 7.6/10
Spec-by-spec comparison
Osprey Atmos AG 65
Gregory Baltoro 65
MSRP
~$270
~$300
Weight
4 lbs 10 oz / 2.1 kg
5 lbs 1 oz / 2.3 kg
Volume
65L
65L
Suspension
Anti-Gravity mesh
Response A3
Hip Belt
Fit-on-the-fly
Auto Cant
Torso sizes
XS–LG
XS–XL
Osprey Atmos AG 65
What works
Anti-Gravity mesh keeps your back cooler on hot days
Lighter by about 7 oz compared to the Baltoro
More nimble fit for hikers who move fast
What doesn't
Can feel less stable at very heavy loads due to the mesh suspension
Fewer organization pockets for longer trips
Gregory Baltoro 65
What works
Carries heavy loads (50+ lbs) more comfortably
More pockets and organization options
Hip belt conforms better under sustained heavy use
What doesn't
Heavier base weight by about 7 oz
Less ventilation — back panel contacts your spine in heat
Bottom line
Our pick: Gregory Baltoro 65. It edges out the alternative on carries heavy loads (50+ lbs) more comfortably. That said, Osprey Atmos AG 65 still wins on anti-gravity mesh keeps your back cooler on hot days — consider it if that single trade matters most for your use.