This backpack with hydration has a 5 Liter backpack capacity with a 2L reservoir bladder included

It is approx 17" x 7.5" x 2.5"

Weight appro 14.5oz

It features

Vertical zip access front pocket for small items

Stretch mesh shove-it pocket

Reflective accent

Adjustable sternum strap

Padded air mesh shoulder straps

Padded air mesh back panel

Microban

Ridgeway by Kelty Hydration Pack