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Fits a broad range of torsos; shorter, broader reservoir shape does not hang below beltline
External fill design allows easy access to the Crux reservoir for easy filling, cleaning and ice addition
Two-zipper fill cover provides top or bottom of reservoir compartment entry points
Quick-release shoulder straps unclip for easy removal and stow away inside built-in pocket
Adjustable sternum strap
The ThermoBak S (Short) 3L offers the same features and functionality that warfighters have come to trust in the ThermoBak 3L, but in a new design that optimizes the space on a user's back and won't interfere with a duty belt. The 3L, 100oz Mil Spec Crux (Short) reservoir delivers 25% more water per sip, and the external fill allows quick access to the reservoir for refilling and cleaning.
CamelBak ThermoBak S Short Hydration Pack with 100oz 3.0L Mil-Spec Crux Reservoir B07QLNVVNF