So your overnight trip just got a few days and nights added. No problem. The roomy AMP72™ backpack is Gear Set™ compatible and ready when you are. With 5. 11\'s innovative HEXGRID® load bearing system, it gives you brand-new options for mounting or attaching gear. This beast also features a side opening compartment with MOLLE-based platform. The thermoformed ergonomic back panel keeps you comfortable and aluminum back panel frame protects your back against heavy lifts. Patented HEXGRID® multi-angle load bearing platform Gear Set™ compatible with internal and external Gear Set™ mounting capability Removable HEXGRID® 9x9 Gear Set Full clamshell opening main compartment with Quad-Zip zippers Internal loop platform panel, mesh org and admin pockets 4 side pockets and 1 bottom stash pocket Secondary compartment Hydration or laptop rear compartment Thermoformed back panel with aluminum frame and load lifters Water-resistant 500D Dobby Nylon (main) 1050D Nylon (bottom) Water-resistant HEXGRID® 420D/1000D Cordura® Nylon 5. 11’s signature Centerline™ design DIMENSIONS Main Compartment - 24\"H x 11\"W x 9\"D Rear Compartment - 24”H x 11”W x 2”DTotal Capacity - 2440cubic inch / 40 liter Weight - 4. 4 lbs