Alpaka Momentum Backpack vs Alpaka Metro Crossbody (Left) - Ultradyne
Alpaka Momentum Backpack ($159) vs Alpaka Metro Crossbody (Left) - Ultradyne ($169) — side-by-side specs, weight, pros and cons to help you pick the right backpack.
Spec-by-spec
| Spec | Alpaka Momentum Backpack | Alpaka Metro Crossbody (Left) - Ultradyne |
|---|---|---|
| Price | $159 | $169 |
| Weight | 700g | 680g |
| Capacity | 22L | — |
| Laptop | Fits 16" MacBook Pro | — |
| Material | Axodyne composite | Ultradyne 100D |
| Weather | Weatherproof | — |
| Weight | 700g | 680g |
| Colors | Black, Gray | Black, Gray |
| Released | — | First listed 2026-04-14 |
Pros & Cons
Alpaka Momentum Backpack
- 22L fits a 16" MacBook Pro
- Axodyne — weatherproof + ultralight
- Clean urban silhouette
- Full-day commuter capacity
- Lighter than nylon packs
- Weight is approximate — verify
- Premium price
- Minimalist organization
Alpaka Metro Crossbody (Left) - Ultradyne
- 680 g as published on ALPAKA's page
- Ultradyne 100D
- Covered by ALPAKA's warranty
- Sold direct from ALPAKA, so no easy price comparison
Alpaka Momentum Backpack is the better value at $159. If weight matters most, Alpaka Metro Crossbody (Left) - Ultradyne carries lighter at 680g. Both are part of our curated backpack index — tap through to check current pricing.
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