The new, ultralight Arete™ 18 hike pack is ready for short haul adventures and long-distance treks. Lightweight, breathable, and constructed from compressible material, the Arete™ 18 is perfect for day hikes and can be packed down to next to nothing if you're traveling abroad. Plus, you can remove the reservoir and store up to a 15" laptop securely with plenty of extra cargo space left over for all your other essentials.