In addition to that interestingly similar design, the LS2 comes DOT approved and features multi-density EPS, polymer alloy shell, scratch and UV-resistant face shield, chin curtain and neck roll to help with noise, a sophisticated ventilation system, and a drop-down sun shield.
The Hyperlite Mountain Gear Southwest 55 is our favorite ultralight option, though you'll pay significantly more for this specialty pack
Adjustability: Resistance adjustments are usually minimal, if at all
If you know the storywhere they were raced, who skied them, or how they were acquiredinclude that too
But as a habitual backpack user, I want to be able to remove switch from backpack mode to pannier mode quickly if possible