Reliable water resistant comfortable bag?

This cleverly designed rucksak is made from super strong water-resistant 420D nylon. It is designed for comfort and durability, with extra heavy stitching at main stress points.
- Spacious - approx 38 x 26 x 9cm
-Lockable major compartments on rucksack and bumbag
- Webbed pouch for storage of drinks etc.
Triple-use bumbag:
- Racksack folds down and fits inside the bumbag
- Use as traditional bumbag
- Use as extra pouch on rucksack
This pack contains one rucksack and one bumbag.