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Underarm venting — zip vents under each arm dump heat during high-output activity
or relaxing around the campfire
Drawcord-adjustable hem for fit customization
Deep half-zip and thumb loops boost ventilation and fit
Hydraulics LS 1.5L Water Reservoir Category_Shop/Footwear/Footwear Accessories/Footbeds Underarm venting — zip ventsThe Osprey Hydraulics LS 1. 5L Reservoir is built specifically for fast movers not a smaller version of a hiking bladder, but a different design for a different motion. A shortened hose and compact bite valve reduce dangling length and bulk against the chest, while a magnetic hose attachment keeps the valve clipped to the sternum strap and within reach without breaking stride. Low profile design for run bike vestpacks sized and shaped specifically to
