Navigate your next hiking adventure with the CamelBak Arete 18 1.5 L Pack. This lightweight, compressible pack expands to carry all your essentials on extended hikes and collapses for streamlined travel. The integrated 1.5-liter Crux reservoir ensures continuous hydration on the trail, while the breathable air mesh back panels and shoulder straps, along with a 3D Vent mesh harness, keep you cool by promoting airflow. Features such as a dedicated laptop sleeve, zippered top lid storage, secure phone pocket, and expandable side stretch pockets add convenience. Adjustable sternum straps guarantee a personalized fit for improved load stability across uneven terrain.