Description Details Everything about the Frontline Defender has been rethought and redesigned. The main challenge in the red-zone is heat stress, and this pack has been specifically designed to minimize heat stress by putting the hydration on the waist and leaving the back uncovered. New H-style harness for rock-solid load control and stability. Removable New Generation shelter case can be belt or rear mounted (fits standard & large shelter). Built-in 3L Hydration System, plus built-in covered fusee holder. True MOLLE attachment for all accessories. FEATURES New H-style harness  Removable New Generation shelter case that can be belt or rear mounted (fits standard and large shelter) Built-in covered fusee holder New MOLLE attachment system Built-in 3L Hydration System (included) Compatible with Go! Pack / GEN 2 SPECS Materials: 1000D Cordura®, Nylon Webbing, #10 YKK® Zipper, Nylon Hardware Weight: 2.5 LBS CERTIFICATIONS NFPA 1977 Certified