Hydrapak UltraFlask™ Speed 500ml

- Soft material conforms to most hydration packs and larger vest pockets for a secure and stable fit.
- Easy to drink bite valve auto-seals after each sip, eliminating annoying drips.
- Designed for fast filling - flips open for quick refills and snaps closed for leakproof transport.
- 42mm opening lets you fill the flask easily with ice and drink mixes.
- Flexible design shrinks as you drink, reducing water movement.
- Pair with 42mm threaded backcountry water filters including the HydraPak 42mm Filter Cap.
- Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity.
- Wide working temperature range (can be frozen - max temp 60° C / 140° F).

- 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