HydraPak Ultraflask Speed ​​500ml

Our signature UltraFlask combines style and stability with a wider profile and a durable 3D-welded bottom. Its soft, flexible material lets you slip it into most packs and larger vest pockets for a comfortable and secure fit. A SpeedFill™ cap on top allows for quick refills.

• Vest Pack Fit: Soft material accommodates most hydration bladders and larger vest pockets, ensuring a secure, stable fit.
  
• Quick-Fill Lid: Designed for fast filling - flip open for quick refills, snap shut for leak-proof transport.
• HIGH FLOW: The bite valve automatically seals after every drink, eliminating annoying drips.
• Large Opening: The 42mm opening allows you to easily fill the bottle with ice and drink mix.
• Compressible: Flexible design compresses as you drink, minimizing water loss.
• Compatible Filters: Pairs with 42mm threaded backcountry water filters, includes HydraPak 42mm filter cap.
  
• DURABLE: Made of ultra-durable, abrasion-resistant TPU with RF-welded seams for exceptional durability and stretch.
• 100% BPA and PVC free: wide operating temperature range (freezer-safe - max. 60°C / 140°F).