HydraPak UltraFlask Speed 500ml '26

The HydraPak UltraFlask Speed offers the perfect balance of sleek design and stable performance for runners, trail runners, and endurance athletes. The soft, pliable material conforms to most hydration packs and larger vest pockets for a snug, secure fit, while the durable 3D welded bottom provides stability. The SpeedFill cap enables quick refills on the go, and the flexible design compresses as you drink to reduce water movement.

Covered by HydraPak's Beyond Lifetime Guarantee.

Product Features

- COMFORTABLE & VEST-PACK FIT
Soft material conforms to most hydration vests, belts, or pack pockets - provides bounce-free stability and a flexible flask shoulder to prevent chafing, so you can focus on FKT's and PR's.
- HIGH-FLOW VALVE
The bite-activated, self-sealing valve delivers consistent sips and prevents drips, so you can focus on your adventure.
- SPEEDFILL™ CAP
The secure flip-top cap opens quickly for fast refills and snaps closed for leak-proof transport of water or fuels.
- COMPRESSIBLE DESIGN
Shrinks as you drink to reduce water movement, offering a stable and lightweight hydration solution.
- LARGE 42 mm OPENING
Easily fill the flask with water, ice, or drink mixes thanks to its wide-mouth design.
- ULTRA DURABLE
Made of ultra-durable, abrasion-resistant TPU and RF welded seams for superior durability and elasticity.
- 100% BPA & PVC FREE
Wide working temperature range (can be frozen – max temp 60°C / 140°F) Product Specifications

Capacity: 500 ml
Dimensions: 18.6 cm x 5.8 cm
Thread size: 42 mm
Weight: 41 g
Material: TPU, PP/POM, Silicone