Bladder Insulation for Hydrapak Water Bladder Reservoir

Insulate your Hydrapak® reservoir - water bladder before you put it in your hydration pack carrier. These insulators help keep your water cool in the heat and delay from freezing in the winter.   Features Light Weight Well-constructed Durable sleeve insulation Keeps liquid content cool Safeguard protection against all weather elements Fits Hydrapak bladders ONLY (see size chart) (Water Bladder and Drink Tube Cover NOT Included.) Size Chart   Installation   FAQs How heavy are the bladder insulators?The Bladder Insulators weigh 3 Ounces to 5 Ounces depending on the size. Do the bladder insulators fit tightly around the bladder?Yes. Typically you loose a little height and width and gain in depth when the bladder is filled. Customer feedbacks have suggested a "snug fit" for better insulation and to help keep pressure against the bladder as water is depleted. My water bladder - reservoir isn't shown in the Size Chart.If your brand or size isn't seen, please email us or visit our Custom Sewn Bladder Insulator Page. Can I request modifications to the bladder Insulator? Yes. Please email us before or immediately after ordering with your requests. Include your order number.