Product Description
The Hydrapak Ultraflask Speed Collapsible Soft Flask Water Bottle features material that allows it to fit snugly in most vest pockets and it shrinks as you drink to minimize water movement. Topped with Hydrapak’s newest SpeedFill cap, aid station refills are a breeze. Customize your cap with two options depending on your run or vest. You can directly mount your bite valve or use the straw cap. Features: Soft material conforms to most hydration vests, belts, or pack pockets. Compressible, flexible design shrinks as you drink to reduce water movement. SpeedFill Cap for fast refills at aid station. High-flow bite valve auto-seals after each sip, eliminating annoying drips. Large standard 42mm opening lets you fill the UltraFlask easily with ice and drink mixes. Customizable hydration – Choose between a bite valve and a drink tube cap. Made of durable, abrasion-resistant TPU and RF welded seams for durability and elasticity. Available in 500 or 600 ml capacity. 100% BPA and PVC free. Wide working temperature range (Can be frozen, max temp 140 degrees Fahrenheit).
Product Specifications
- Used For: Hot or Cold Beverages
- Lid Material: Plastic
- Material: Plastic
- Battery: No Battery Used
Product Highlights
- Soft material conforms to most hydration vests, belts, or pack pockets
- Compressible, flexible design shrinks as you drink to reduce water movement
- SpeedFill Cap for fast refills at aid station
- High-flow bite valve auto-seals after each sip, eliminating annoying drips
- Made of durable, abrasion-resistant TPU and RF welded seams for durability and elasticity
















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