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BACKLINE Backpacks Award 2026 – 4 out of 5 stars
MAMMUT Aenergy ST 20–25 – Tested model
Tested model
MAMMUT Aenergy ST 20–25 – Verified manufacturer view
Verified manufacturer view

Skitouren Rucksäcke bis 25 Liter · Test 2026

MAMMUT Aenergy ST 20–25

72.03 out of 100 points

155.00 € RRP

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Quick verdict

The Aenergy ST 20-25 from Mammut, equipped with both a roll-top and a lid, excels in all test categories except carrying comfort and handling. While the absence of a hip belt saves weight, it results in a less stable fit during descents.

Test strengths

  • Access: 23.13/25 points
  • Weight score: 18.63/25 points
  • Attachment: 17/25 points

Relatively lower scores

  • Carrying comfort: 13.27/25 points
Total points
72.03 / 100
Weight
746 g
RRP
155 €
BACKLINE stars

Test year 2026 · Lenzerheide

Verdict

The Aenergy ST 20-25 from Mammut, equipped with both a roll-top and a lid, excels in all test categories except carrying comfort and handling. While the absence of a hip belt saves weight, it results in a less stable fit during descents.

Detailed test scores

BACKLINE awards up to 25 points in each of the four test categories, adding up to a maximum of 100 total points. A star marks a top result in that category.

CriterionPoints (max 25)Star
Weight18.63 / 25
Attachment options17.00 / 25
Carrying comfort & handling13.27 / 25
Access to shovel & probe23.13 / 25
Total points72.03 / 100
RRP / point2.15 € / point

Total stars:4 / 6

Specifications

Test class
Skitouren Rucksäcke bis 25 Liter
Test year
2026
Sizes
Einheitsgröße
Pack volume
20–25 l
Hip belt loops
nein
Hip belt pocket
Träger (2)
Hydration port
ja
Weight (measured)
746 g
RRP
155.00 €
Euro per point
2.15 €

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