Review on Hydration Backpack Pack - 3 Pack with 2L Water Bladder for Hiking, Running, Cycling, Camping - Water Rucksack for Hydration with Hydration Bladder - Biking Water Backpack by Scott Gendron

We bought these 3 packs for our young kids to use on 4-5 mile hikes. The outer pockets were light and the shoulder straps were comfortable. Inside there is an additional pocket, which is very pleased. The first time we used them we filled the bladders at home, strapped them in our backpacks and headed to the first trail, one of them was already leaking leaving the baby with a wet back. After about 5 minutes of hiking the second blister leaked and we had to get back in the car to get out of that too. So only 1/3 of those water packs worked for us. On the second day of the hike we used all 3 backpacks to store things other than (no bladders). Each backpack had enough room for a pair of sandals (tightly compressed for large sizes), water bottles, and snacks. Hopefully we can find replacements for the well-reviewed hydration bladders for our next hiking adventure!