HydraPak UltraFlask Speed 500ml 2-Pack Collapsible Soft Flask Water Bottle for Hydration Vests and Running Packs with Easy Open Cap (500ml / 17oz)

• HYDRATION VEST COMPATIBLE: Wider flask form and 3D welded bottom fits most pack and larger vest pockets for a snug and secure fit. Does not include Run Straw.
• 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.
• FILTER COMPATIBLE: Compatible with 42mm threaded backcountry water filters including the HydraPak 42mm Filter Cap.
• BEYOND LIFETIME WARRANTY: If you experience any issue, we’ll repair or replace the item for free. Whatever it takes to keep your adventure going.

The perfect balance of sleek and stable, our signature UltraFlask has a wider form and a durable 3D welded bottom. Soft and pliable material means you can fit it in most pack and larger vest pockets for a snug and secure fit. Topped with our SpeedFill™ Cap for quick refills. Included in the package: - 2 UltraFlask 500ml Flask - 2 SpeedFill Cap - 2 Bite Valve - Basic Care & Use Instructions Specifications: - Capacity: 500 mL / 17 fl oz - Weight: 42 g / 1.4 oz - Dimensions: 240 mm x 55 mm / 9.4 in x 2.2 in - Material: TPU, PP, Silicone, POM, 304SS