Strong hook & loop attachment system for quick and positive attachment to other MSR products. The Multi Pak is attachable to the125 Gear Case, all MSR Fanny Paks and the BackPak. Ballistic fabric construction for superior durability. 420 denier Nylon accents with PVC backing. Easy access waterproof zipper keeps the mud out. Convenient zipper pull tabs. Includes a bulletproof and Baja-tested hook & loop attachment system.