Osprey Duro™ Pro 10 Run Hydration Vest Size:Medium Our largest Standard Mouth available

Our largest Standard Mouth available uses TempShield™ double wall vacuum insulation to keep your water refreshingly ice cold for up to 24 hours

Its Gore-Tex Performance Comfort Footwear lining guarantees waterproofness and breathability

Gap from pin to blade is 38 mm

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Osprey Duro™ Pro 10 Run Hydration Vest Size:Medium Our largest Standard Mouth availableDuro Pro 10 Run Hydration Vest Men's Fit Running Developed with elite athletes and honed for ultra racing, this ultralight running vest features a zippered main compartment, removable trekking pole quiver, included hydration and a stable, bounce free men's fit. Make every second count with two Hydraulics 500 mL Soft Flasks, three pole carry options and integrated pass thru and upper pockets that provide quick gear access without vest removal. Features