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Alpaka Momentum Backpack vs Alpaka Flight Sling (1L) - Ultradyne

Alpaka Momentum Backpack ($159) vs Alpaka Flight Sling (1L) - Ultradyne ($59) — side-by-side specs, weight, pros and cons to help you pick the right backpack.

Alpaka Momentum Backpack
Alpaka
Momentum Backpack
$159
Ultralight
Check Price →
Alpaka Flight Sling (1L) - Ultradyne
Alpaka
Flight Sling (1L) - Ultradyne
$59
Check Price →
Spec-by-spec
SpecAlpaka Momentum BackpackAlpaka Flight Sling (1L) - Ultradyne
Price$159$59
Weight700g190g
Capacity22L1L
LaptopFits 16" MacBook Pro—
MaterialAxodyne compositeUltradyne 100D
WeatherWeatherproof—
Weight700g190g
ColorsBlack, GrayBlack, Gray
Released—First listed 2026-04-07
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 Flight Sling (1L) - Ultradyne

  • 190 g as published on ALPAKA's page
  • Ultradyne 100D
  • Covered by ALPAKA's warranty
  • Sold direct from ALPAKA, so no easy price comparison
Alpaka Flight Sling (1L) - Ultradyne is the better value at $59. Both are part of our curated backpack index — tap through to check current pricing.
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