Features

Active body airflow system and active fit
Traffic reflective piping for increased awareness
Utility front bungee cord
Technical diamond ripstop construction
Sternum and waist straps for active body fit
Main storage compartment, bladder compartment and organiser / mobile / money pockets

Aluna Cool Ocean Blue water filter jug. Modern Design with Easy to use lid. Designed to fit in the fridge door. BRITA Wottle reuseable water bottle made from recycled materials and featuring Orla Kielys signature stem design.

Aluna Cool Ocean Blue water filter jug
1.4 L filtered water capacity, 2 more...

Platypus Big Zip 3.0L Hands-Free Hydration (2007 Model):

The pinnacle of hydration reservoir design, the Big Zips feature a wide, bomb-proof zip opening for quick filling and easy cleaning. Once sealed, its virtually impossible to open accidentally, even if dropped or squished in a fall.

Our prem more...

I posted (and ordered) a Gelert Hydration pack from Amazon the other day that went hot.
Unfortunately they cancelled the order this week.

All the usual bike shops have basic models for £20 or so with less storage than this.
Just bought one of these for £10.70 instore in Bournemouth Tesco, they are more...

I was looking for a hydration pack and came across this one:-

This hydration rucksack has a capacity of 6L along with a compartment that will allow you to carry a 1.5L water bottle. The rucksack has been designed to fit snugly around your body so that you do not have to stop if you wish to have a more...