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Hydrate effortlessly with this 500mL flask, designed for compatibility with vestpacks. A WingStay™ removable stabilizer prevents bounce, while a wide-mouth opening makes it easy to load ice or mix in electrolytes. A high-flow valve, easy-grip twist cap and tapered shape simplify hydration. Crafted with durable TPU and RF-welded seams, and compatible with the UltraFlask Filter Cap (sold separately). Features: WingStay removable stabilizer prevents bounce Large 42mm opening for quick ice and drink mix loading Tapered shape for easy pocket loading High-flow, self-sealing bite valve Durable TPU- and RF-welded seams Easy-to-grip twist cap Specifications: O/S VOLUME 31 IN 3 / 0.5 L DIMENSIONS 10.2H X 3.5W X 2D IN. WEIGHT 0.09 LBS.
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🇺🇸 Ship from USA · On Agora since 2026
$20.00