686 GLCR Hydrastash Reservoir Jacket - Men's:
Never miss a moment with the world's first built-in micro hydration system.
80g Polyfill Body / 60g Sleeves / 40g Hood
Waterproof Rating/Breathability Rating:
20,000mm Waterproof / 15,000gm Breathable + DWR
Built in Hydrastash reservoir to store water for quick and easy hydration on the mountain!