What is great is that the batteries last up to 50 liters
Other packs like the Osprey Daylite Plus Daypack , Osprey Tempest 20 , Gregory Jade 28 and the Deuter Speedlite 20 have things like a laptop pouch or loops to store trekking poles and carabiner attachments for a helmet, sleeping bag or to attach an extra pair of shoes to the outside of your pack
Budget also comes into play, and the simple fact that one rod costs more doesnt mean its better suited to the task
A helmet designed for aggressive enduro riding will protect more of your head but will feel warmer on a long summer climb
However, in the dark, when some of them luminesce, we can see amazing, circular patterns of light over their entire bodies, like living fireworks 1