Hydrapak Ultra Flask Speed 500ml Collapsible Soft Flask Water Bottle for Hydration Vests

Part of our ultra-light series, the 500 ml is so light, you might forget you brought it. Weighing in at just over an ounce, it’s optimal hydration, no matter what kind of runner you are. Its soft material conforms to most pockets & shrinks as you drink to minimize water movement. Topped with our SpeedFill cap for quick aid station refills and is ready for use with or without the tube. Ultra lightweight, ultra useful Included in the package: UltraFlask 500ml Flask SpeedFill Cap Drink Tube Bite Valve Basic Care & Use Instructions Specifications: Capacity: 500 mL / 17 fl oz Weight: 41 g / 1.4 oz Dimensions: 186 mm x 58 mm / 7.3 in x 2.3 in Material: TPU, PP, Silicone, POM

Features

• HYDRATION VEST COMPATIBLE: Fits easily in most hydration vests, belts or pack pockets. Provides bounce-free stability and a flexible flask shoulder to prevent chafing.
• COLLAPSIBLE FLASK: Soft material conforms to any pocket, and shrinks as you drink to reduce movement and pack away easily when empty.
• PERFECT FOR AID STATIONS:UltraFlasks are equipped with our SpeedFill Cap designed for quick and easy refilling at aid stations. A side tab pops open the cap in one motion and snaps shut with a click.
• CUSTOMIZABLE CAP: Built for versatility, the UltraFlask comes with a 42mm customizable cap. Choose between straw or bite valve.