Need to carry more water, but don't want to carry two bottles or a hydration bladder? The Nalgene Silo packs a whopping 48 oz. of water into the regular Nalgene bottle diameter so it still fits in the side pocket of your pack.

• Large opening easily accommodates ice cubes, fits most water filters and purifiers, and makes hand washing a breeze
• Great for storing liquid, powders, solids, soup, and stew
• Attached loop-top never gets lost and screws on and off easily
• Liquid measurements in ounces and milliliters lets you keep track of your hydration
• Extremely durable and resistant to staining
• Resistant to retaining odors
• Dishwasher safe; remove the cap or make sure the cap does not touch the heating element
• Withstands temperatures from -40°F to 212°F; ideal for extreme adventures
• Measures: 11 x 3.6 in.
• Made without Bisphenol A (BPA) using Eastman Tritan copolyester material.
• Made in the U.S.A.
• See Splash Guards that make sipping easier and spill-free (enter Splash Guard in Search)