The most beautiful hiking trail can suddenly turn out to be very annoying with the presence of some unloved insects like mosquitoes and ticks. There is nowhere to rest, enjoy just the view or have a quick bite to eat without being eaten alive.
Pure Cuben-Fiber is said to be 15x stronger by weight than steel. At least this is the advertising claim of the manufacturer DSM. The advantage of CF is that it cannot absorb water. An unpleasant detail of Silynlon which is often used for tents and likes to soak up plenty of water depending on the coating. In addition, CF is not stretchable. This means, for example, you do not have to readjust the tent in the middle of the night because it sags. Dyneema Composite (formerly Cuben Fiber) in its…
Osprey, Deuter, Fjällräven, Mammut and Co. They all certainly produce very high quality backpacks. However, many in the 50-60 liter category are already around 2 kg without contents. There is not much left to be still Ultralight on the road.
The “Base Weight” defines the backpack weight with all contents but food, water and fuel. The last three items vary greatly, so they are not included.