What Our Gearhead(R) Experts Are Saying:"This is my go-to for high-output summer hikes-especially when the temps spike. The AEROFIT(TM) system seriously boosts airflow, and the way this pack hugs your body keeps it stable when you're scrambling. The stash pockets and pole loops are a big plus, too."When we're pushing elevation in the heat, the Airox 18L Backpack keeps us cool, dry, and focused. Designed for high-exertion day hikes and warm-weather adventures, this 18-liter pack combines breathable comfort with body-hugging stability. The suspended AEROFIT(TM) back system keeps air flowing and the weight distributed, so we stay light and agile through technical terrain. The thoughtful layout includes stretch mesh bottle pockets, a large front stash pocket, and a zippered top compartment with key clip for quick-access storage. Dual pole loops with bungee retention keep gear secure, while the hip fins and chest strap are dialed for movement and hydration access. Complete with a hydration sleeve and built-in rain cover, the Airox 18 is built for comfort when the trail gets serious.