Hyperlite Mountain Gear 3400 Southwest 55L Backpack

We’ve read the reviews across the web for the Hyperlite Mountain Gear 3400 Southwest 55L Backpack and summarize the results below:

Universal Ranking

PeakScore: 94 (out of 100)
User Rating: 4.9 stars 
Expert Rating: 4.2 stars

Number of Ratings Reviewed: 242

Pros & Cons

Reasons to buy:

User Reviews

  • Comfortable to wear during long-term use.
  • Able to easily pack everything into your bag and the sizing fits well.
  • Minimalist approach to remain lightweight.
  • Three outside pockets to keep your gear secure and safe.
  • Four buckles to add lash straps for functionality.
  • Shoulder straps and hip belt are comfortable due to the padding.
  • Pack material is sturdy and durable to withstand rough use.

Expert Reviews

  • Features a hydration port and sleeve for compatibility with a bladder.
  • Comfortable and durable for such a light weight.
  • Waterproof to add protection during inclement weather.
  • The material is waterproof and tough, which makes this a great option for rainy or wintery weather.
  • Two side water bottle holders can be easily reached when your pack is on.
  • Features many compression straps to keep your gear secure.
  • Very sturdy and durable for tough use.

Reasons NOT to buy:

User Reviews

  • Phone might not fit in the hip pocket for convenience.
  • Main opening of the pack might be slightly narrower than other options.
  • Minimal ventilation on the back due to the back padding.
  • Water can seep into the bottom of the pack if sitting on wet ground.

Expert Reviews

  • Doesn’t have a detachable top-lid, or any top-lid, which might not suit your personal preference.
  • The white version can get dirty and stained.
  • Not the best for carrying extremely heavy loads since it doesn’t have a stiff frame.
  • The shoulder straps are thin and the back panel doesn’t provide much ventilation.


The Hyperlite Mountain Gear 3400 Southwest 55L Backpack is a lightweight, surprisingly durable, and comfortable option that is well-suited for those who want a minimalist pack that can carry gear comfortably. Despite not being the best option for heavy loads and lacking some ventilation, this is a great option for shorter trips where you don’t need to carry as much gear, or for minimalist-backpackers who like to travel light.


Note: User and expert rankings were reviewed across the web. Some expert reviews include these: 1, 2, 3, 4, 5, 6.