The lightweight Gregory Z65 pack for multiday backpacking promotes cooling airflow across your back and effectively transfers weight from your back onto your hips. Top-loading pack with front access features welded, water-resistant zippers in front and on the floating top lid. Find your gear in the main compartment quickly and easily via the horseshoe-shaped front zippered pocket-theres no more need to empty everything to reach what you want Front also features a zippered stash pocket for additional weatherproof storage. Jet Stream LTS suspension system boasts thick, supportive foams with Aero-tech mesh on backpanel to move moisture away. Flexible Auto-Fit harness matches your shoulder angles and features 3-D woven mesh-covered foam for breathable airflow. Lightweight, thermo-molded framesheet with a single hollow, aluminum stay provides support and torsional stiffness. Constructed from 210-denier HT high tenacity double-box ripstop nylon and nylon twill for tear strength and abrasion resistance. Dual mesh waistbelt pockets are ideal for stashing gels, lip balm, sunscreen or that mini-tool. Hydration-compatible design features reservoir pocket and dual drink tube exit ports for on-the-go hydration reservoir sold separately. Side and bottom compression straps let you cinch down loads for jostle-free carrying. Exterior side pockets provide a handy place for frequently accessed items such as water bottles, GPS, maps and snacks. Dual axe/tool loop attachment points let you strap on gear outside.