Additional Info

The perfect balance of sleek and stable, HydraPak’s 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.

FEATURES:
Vest Pack Fit: soft material conforms to most hydration packs and larger vest pockets for a secure and stable fit.
100% BPA & PVC FREE: wide working temperature range (can be frozen – max temp 60° C / 140° F).
Durable: ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity.
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 leak proof transport.
Large Opening: 42 mm 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 42 mm threaded backcountry water filters including the HydraPak 42 mm Filter Cap.

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.