They're also the things that roll around in the bottom of the boat, getting wet and making portages look like you're cleaning up after a yard sale
The suspended mesh on the back panel and hip belt feels strange at first, and some people might not like it right away
If it wobbles side to side, it doesnt fit you properly, or the straps/retention need to be adjusted
Additionally, Evocs Venti-Flap system allows the user to quickly loosen the upper part of the pack and create a gap between your back during climbs or other times you want to increase airflow, then quickly cinch it back down for the descents
For example, if you're using a heavier braid or monofilament line, you'll need a slower gear ratio to handle the weight
These sizes typically range between 50 to 60cm, and as head shapes can also vary, its well worth trying on a helmet before you buy it to ensure the fit is comfortable