Over more than a year, we tested the Pro series while backpacking in the Mojave Desert, Anza Borrego Desert, numerous trips in the Eastern Sierra near Yosemite, and two thru-hikes of the Trans Catalina Trail
Some companies offer replacement hydration systems, too, which is important the plastic on the reservoirs can break down over time, often before the packs wear out
Fjallraven Rucksack Buy on Amazon Fjallraven is most likely the most popular brand on the list
Play in your bathtub or outdoors
The size L is not currently listed on the Snell website as Snell certified
Tips: Size M: Compatible with head circumference 57-58cm Size L: Compatible with head circumference 59-60cm Size XL: Compatible with head circumference 61-62cm Size Guide: To ensure proper sizing, please do the following: Take a head measurement with a cloth tape measure