CamelBak: One of our most trusted and well known minimalist packs, the ThermoBak 3L continues to impress with updated features and technology. The new 3L, 100oz Mil Spec Crux Reservoir delivers 25% more water per sip while the style maintains the ergonomics and optimal infrared reflectivity it's famous for.FeaturesExternal fill allows for easy access to the Crux™reservoir for easy filling, cleaning and ice additionTwo-zipper fill cover provides top or bottom of reservoir compartment entry pointsQuick-release shoulder straps unclip for easy removal and stow away inside built-in pocketAdjustable sternum strapHook-and-loop strap managementSix D-ring points for attaching to any armor vest or pack with MOLLEFully insulated reservoir compartment using 5 mm closed cell foamAdd or remove name tags and unit badges quickly with integrated hook-and-loopGrommet drain holes located at bottom of main compartmentUses 500D Double-rip Cordura® Fabric for the ultimate combination of strength and durability SpecificationsUser Group: UnisexBPA/BPS/BPF Free: trueDimensions: 48 x 24 x 11 cm / 17.3 x 9.4 x 4.3 inQuick Link: truePack Weight: 0.6 kg / 1.4 lbHydration Type: Mil Spec CRUX™ Reservoir with Quicklink™ SystemHydration Capacity: 3L/100 oz