Alpaka Flow Satchel (4L) vs Alpaka Modular Shoulder Pocket Slim - Ultradyne
Alpaka Flow Satchel (4L) ($109) vs Alpaka Modular Shoulder Pocket Slim - Ultradyne ($55) — side-by-side specs, weight, pros and cons to help you pick the right satchel.
Spec-by-spec
| Spec | Alpaka Flow Satchel (4L) | Alpaka Modular Shoulder Pocket Slim - Ultradyne |
|---|---|---|
| Price | $109 | $55 |
| Weight | 400g | 150g |
| Capacity | 4L | — |
| Material | Axoflux 210D | Ultradyne 100D |
| Weight | 400g | 150g |
| Also in | X-Pac X42 | — |
| Colors | Black, Green, Olive Green | Black, Gray |
| Released | First listed 2025-04-04 | First listed 2026-04-14 |
Pros & Cons
Alpaka Flow Satchel (4L)
- 400 g as published on ALPAKA's page
- Axoflux 210D
- Covered by ALPAKA's warranty
- Sold direct from ALPAKA, so no easy price comparison
Alpaka Modular Shoulder Pocket Slim - Ultradyne
- 150 g as published on ALPAKA's page
- Ultradyne 100D
- Covered by ALPAKA's warranty
- Sold direct from ALPAKA, so no easy price comparison
Alpaka Modular Shoulder Pocket Slim - Ultradyne is the better value at $55. Both are part of our curated satchel index — tap through to check current pricing.
More Satchel comparisons
Alpaka Flight Sling vs Alpaka Elements Tote ProAlpaka Flight Sling vs Alpaka Zip ProAlpaka Flight Sling vs Alpaka Elements Tech Case Mini (X-Pac RX36)Alpaka Flight Sling vs Alpaka Metro Sling V2 — Horse EditionAlpaka Flight Sling vs Alpaka Momentum SlingAlpaka Flight Sling vs Alpaka Momentum Backpack