Alpaka Metro Backpack (12L) vs Alpaka Flight Satchel - Ultradyne
Alpaka Metro Backpack (12L) ($99) vs Alpaka Flight Satchel - Ultradyne ($139) — side-by-side specs, weight, pros and cons to help you pick the right backpack.
Spec-by-spec
| Spec | Alpaka Metro Backpack (12L) | Alpaka Flight Satchel - Ultradyne |
| Price | $99 | $139 |
| Weight | 800g | 550g |
| Capacity | 12L | — |
| Fits | a 14" MacBook & essentials | — |
| Material | Axoflux 400D Ripstop | Ultradyne 100D |
| Carry | Backpack | — |
| Weight | 800g | 550g |
| Colors | — | Green, Blue, Black, Gray |
| Released | — | First listed 2026-04-10 |
Pros & Cons
Alpaka Metro Backpack (12L)
- Slim 12L city profile
- Fits a 14" MacBook
- Lightweight daypack
- 12L fills quickly
- 14" laptop limit
Alpaka Flight Satchel - Ultradyne
- 550 g as published on ALPAKA's page
- Ultradyne 100D
- Covered by ALPAKA's warranty
- Sold direct from ALPAKA, so no easy price comparison
Alpaka Metro Backpack (12L) is the better value at $99. If weight matters most, Alpaka Flight Satchel - Ultradyne carries lighter at 550g. Both are part of our curated backpack index — tap through to check current pricing.