The-popular-Nac-Pak-continues-to-dominate-the-steep-&-deep-of-the-west-&-the-speed-&-distance-of-the-rest-With-the-perfect-combination-of-cargo-capacity-accesory-carrying-capacity-quick-access-&-intelligent-tool-storage-the-Nac-Pak-has-become-the-riding-bag-riders-simply-learn-to-rely-on-Features-large-main-compartment-3-liter-Klim-Hydrapak-reg-Hydration-reservoir-included-2-upper-external-hydration-hose-exit-ports-internal-main-compartment-accessory-pocket-detachable-internal-goggle-bag-removable-tool-pouch-with-ultra-secure-1-rdquo-elastic-tool-organization-straps-removable-tool-pouch-features-zippered-stash-pocket-&-wide-open-design-for-easy-access-to-tools-side-avalanche-probe-storage-side-shovel-handle-storage-external-shovel-blade-storage-comfort-padded-air-flux-back-panel-shoulder-straps-with-perforated-padding-adjustable-sternum-straps-with-rescue-whistle-buckle-low-profile-waist-strap-reflective-hits-for-increased-visibility-size-6-x 9-x 18