ULTRAFLASK™ SPEED - Vest & Pack Compatible Hydration
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 pliable material conforms to most pockets, it shrinks as you drink to minimize water movement and it can be used with or without the tube. Topped with a new feature, the SpeedFill™ cap, makes aid station refills a breeze. Ultra light weight, ultra useful.

Specifications:

• Capacity: 500 ml
• Weight: 42g
• Dimensions: 186mm x 58 mm / 7.3 x 2.3 in
• Filtration: 42mm Filter Cap Compatible
• Material: TPU, PP/POM, Silicone

Features:

Vest Pack Fit
Soft material conforms to most hydration packs and larger vest pockets for a secure and stable fit.

High-FLow
Easy to drink bite valve auto-seals after each sip, eliminating annoying drips.

Speedfill Cap
Designed for fast filling - flips open for quick refills and snaps closed for leakproof transport.

Large Opening
42mm opening lets you fill the flask easily with ice and drink mixes.

Compressible
Flexible design shrinks as you drink, reducing water movement.

Filter Compatible
Pair with 42mm threaded backcountry water filters including the HydraPak 42mm Filter Cap.

Durable
Made of ultra-durable, abrasion resistant TPU & 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).