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Plus, the bag has a separate pocket for a tablet or laptop, making it a versatile option if you just want to use it as a regular backpack on non-travel days

This makes the rucksack not only very durable and strong, but also waterproof up to a water column of 8000 mm

(Surprise, surprise, gravity is still in effect.) That blue thing on the strap adjuster is a tape loop I made to tidy the long dangling strap, while the blue thing hanging off the mesh front pocket is a cheap bike reflector

Versatility : Can be used for both sea and freshwater as it is made of durable graphite

Drag it lightly over your fingernail- if it slips, it needs changing