UltraFlask™ Speed 500ml

Name: UltraFlask™ Speed 500ml
Brand: HydraPak
SKU: AH155HP
Price: 16.28 USD
Availability: InStock
Rating: 4.8 (5 reviews)

$16.28 ~~$22~~ In stock

Category: Soft Flasks

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.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

George ★★★★★ Oct 22, 2026

I was skeptical about soft flasks bouncing around in my vest, but the wider form fits so snugly in the pocket that I forget it's even there. The pliable material makes it easy to squeeze out every last drop, and the 3D welded bottom keeps it standing upright on the trail when I set it down for a sec

Adam B. ★★★★★ Oct 21, 2026

The 3D welded bottom is the first thing I noticed—it actually stays upright on my desk while I’m refilling, which is rare for a soft flask. The wider shape fits snugly in my vest pocket without sloshing around, and the pliable material makes it easy to squeeze every last drop.

Lucy W. ★★★★★ Oct 20, 2026

Finally a soft flask that stands up on its own while I fill it. The pliable material slides into my vest pocket without any wrestling, and the wider shape keeps it stable even when I'm moving fast.