Osprey
Osprey Atmos AG 65
$370
Best Backpacking Packs · head-to-head
Osprey Atmos AG 65 vs Gossamer Gear Mariposa 60
A sourced, side-by-side comparison. Gossamer Gear Mariposa 60 is cheaper at $315. Every spec and price links to its source.
Gossamer Gear
Gossamer Gear Mariposa 60
$315Cheaper
Which is better: the Osprey Atmos AG 65 or Gossamer Gear Mariposa 60?
On the specs we track, they're closely matched. The Gossamer Gear Mariposa 60 is the cheaper at $315.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Osprey Atmos AG 65 | Gossamer Gear Mariposa 60 |
|---|---|---|
| US price | $370 | $315 |
| Brand | Osprey | Gossamer Gear |
| Released | — | — |
| Capacity liters | 65 | 60 |
| Weight grams | 2070 | 968 |
| Max load (kg) | 18 | — |
| Frame type | internal | internal |
| Torso range (cm) | — | 45.7-50.8 |
| Material denier | 210 | 100 |
| Num external pockets | 8 | 7 |
| Hydration compatible | Yes | Yes |
| Rain cover included | Yes | No |
| Access type | top-bottom | top |
| Ventilated back | Yes | No |
Sources — Osprey Atmos AG 65: manua.ls (verified 2026-07-11). Gossamer Gear Mariposa 60: gossamergear.com (verified 2026-07-11).
What's the difference between the Osprey Atmos AG 65 and Gossamer Gear Mariposa 60?
Where the two actually differ on the specs we track (7 of 11). Matching specs are omitted.
- Capacity liters: Osprey Atmos AG 65 65 vs Gossamer Gear Mariposa 60 60
- Weight grams: Osprey Atmos AG 65 2070 vs Gossamer Gear Mariposa 60 968
- Material denier: Osprey Atmos AG 65 210 vs Gossamer Gear Mariposa 60 100
- Num external pockets: Osprey Atmos AG 65 8 vs Gossamer Gear Mariposa 60 7
- Rain cover included: Osprey Atmos AG 65 true vs Gossamer Gear Mariposa 60 false
- Access type: Osprey Atmos AG 65 top-bottom vs Gossamer Gear Mariposa 60 top
- Ventilated back: Osprey Atmos AG 65 true vs Gossamer Gear Mariposa 60 false