Review on 🏃 Hydrapak Velocity IT Insulated Water Bladder/Reservoir - Running Hydration Vests, 1.5-Liter (50 oz.), Reversible for Effortless Cleaning, Safety & Dependability by Tommy Russo

Absolutely works! The trick is to fill the bag with ice FIRST and water AFTER, because at the end of a long day of hiking, the water is still cold. Connected to the insulating tube https://www.amazon.com/gp/product/B07M6M49CZ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 which comes with a dust cover. Dust protection proved paramount as we traveled through the sandy national parks of the Southwest.