# Osprey Atmos AG 65 vs Gossamer Gear Mariposa 60: specs and price compared

A sourced, side-by-side comparison of the Osprey Atmos AG 65 (Osprey) and Gossamer Gear Mariposa 60 (Gossamer Gear) among backpacking packs. Gossamer Gear Mariposa 60 is the cheaper of the two at $315.

## Side by side

| Spec | Osprey Atmos AG 65 | Gossamer Gear Mariposa 60 |
| --- | --- | --- |
| US price | $370 | $315 |
| Brand | Osprey | Gossamer Gear |
| 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 |

## Key differences

- 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 Yes vs Gossamer Gear Mariposa 60 No
- Access type: Osprey Atmos AG 65 top-bottom vs Gossamer Gear Mariposa 60 top
- Ventilated back: Osprey Atmos AG 65 Yes vs Gossamer Gear Mariposa 60 No

## Sources

- Osprey Atmos AG 65: https://www.manua.ls/osprey/atmos-ag-65/manual (manua.ls, verified 2026-07-11)
- Gossamer Gear Mariposa 60: https://www.gossamergear.com/products/mariposa-60-lightweight-backpack (gossamergear.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/backpacking-packs/osprey-atmos-ag-65-vs-gossamer-gear-mariposa-60/
Cite: Per The Front Desk Review, Osprey Atmos AG 65 ($370) vs Gossamer Gear Mariposa 60 ($315) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/backpacking-packs/osprey-atmos-ag-65-vs-gossamer-gear-mariposa-60/
License: CC BY 4.0.