--- product_id: 457241264 title: "HydraPak UltraFlask Speed Collapsible Soft Flask (600ml, Old Malibu)" brand: "hydrapak" price: "€ 1.86" currency: EUR in_stock: false url: https://www.desertcart.com.cy/products/457241264-hydrapak-ultraflask-speed-collapsible-soft-flask-600ml-old-malibu store_origin: CY region: Cyprus --- # Collapsible design Customizable cap Hydration vest compatible HydraPak UltraFlask Speed Collapsible Soft Flask (600ml, Old Malibu) **Brand:** hydrapak **Price:** € 1.86 **Availability:** ❌ Out of Stock ## Summary > 💦 Stay Hydrated, Stay Ahead! ## Quick Answers - **What is this?** HydraPak UltraFlask Speed Collapsible Soft Flask (600ml, Old Malibu) by hydrapak - **How much does it cost?** € 1.86 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/457241264-hydrapak-ultraflask-speed-collapsible-soft-flask-600ml-old-malibu) ## Best For - hydrapak enthusiasts ## Why This Product - Trusted hydrapak brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Quick Refills:** Equipped with a SpeedFill Cap for effortless refilling at aid stations. - • **Lifetime Assurance:** Backed by a beyond lifetime warranty for worry-free adventures. - • **Space-Saving Design:** Collapsible material shrinks as you drink, making it easy to pack away when empty. - • **Bounce-Free Stability:** Designed to fit seamlessly in hydration vests, ensuring a smooth run without chafing. - • **Versatile Cap Options:** Choose between a straw or bite valve for your hydration preference. ## Overview The HydraPak UltraFlask Speed is a 600ml collapsible soft flask designed for hydration vests and running packs. It features a flexible design for bounce-free stability, a SpeedFill Cap for quick refills, and a customizable cap for your preferred drinking style. With a beyond lifetime warranty, this flask is built for the adventurous spirit. ## Description The HydraPak UltraFlask™ Speed is built light, flexible, and made to move. Designed for both trail and road runners, each flask has a sleek profile and a durable 3D-welded bottom that fits securely in most hydration packs and larger vest pockets. The soft, pliable body conforms to your setup and shrinks as you drink, minimizing water movement and packing down easily when empty. Topped with our SpeedFill™ Cap, the UltraFlask Speed flips open for quick refills and snaps closed for leakproof transport. The 42mm opening makes it easy to fill with water, ice, electrolytes, or drink mixes, while the high-flow, self-sealing bite valve delivers sips without annoying drips. Reusable, collapsible, and race-day ready, this soft flask is ideal for training runs, long trail days, racing and any setup that needs fast, stable hydration on the move. Made with TPU, PP, silicone, POM, and 304SS materials. The UltraFlask Speed is the ideal universal replacement flask for your favorite running vests and packs, offering universal compatibility and a secure fit across most major hydration brands. ## Features - HYDRATION VEST COMPATIBLE: Fits easily in most hydration vests, belts or pack pockets. Provides bounce-free stability and a flexible flask shoulder to prevent chafing. - COLLAPSIBLE FLASK: Soft material conforms to any pocket, and shrinks as you drink to reduce movement and pack away easily when empty. - PERFECT FOR AID STATIONS: UltraFlasks are equipped with our SpeedFill Cap designed for quick and easy refilling at aid stations. A side tab pops open the cap in one motion and snaps shut with a click. - CUSTOMIZABLE CAP: Built for versatility, the UltraFlask comes with a 42mm customizable cap. Choose between straw or bite valve. - BEYOND LIFETIME WARRANTY: If you experience any issue, we’ll repair or replace the item for free. Whatever it takes to keep your adventure going. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09NF5B3TB | | Additional Features | 3D welded bottom, Collapsable, Compatible with select 42mm threaded filters, Dishwasher safe, Lightweight 500ml capacity, Self-sealing bite valve, SpeedFill Cap, Universal soft flask replacement, Wide opening for fast refills, Wider vest-compatible shape | | Age Range Description | Any Age Group | | Best Sellers Rank | #301,141 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #722 in Hydration Packs #4,442 in Water Bottles | | Bottle Type | Collapsible Water Bottle | | Brand Name | HydraPak | | Capacity | 600 ml | | Color | Malibu Blue | | Container Type | bottle | | Customer Reviews | 4.4 4.4 out of 5 stars (123) | | Finish Types | Matt | | Global Trade Identification Number | 00834456002628 | | Included Components | Collapsible 600ml SoftFlask, Cap and Straw | | Item Dimensions W x H | 3.2"W x 7.3"H | | Item Type Name | 600ml SoftFlask | | Item Weight | 46 g | | Manufacturer | HydraPak | | Manufacturer Part Number | 834456002628 | | Manufacturer Warranty Description | Lifetime | | Material Type | TPU, PP/POM, Silicone | | Material Type Free | Bisphenol A (BPA) Free | | Model Name | UltraFlask Speed 600ml | | Model Number | 834456002628 | | Number of Items | 1 | | Number of Packs | 1 | | Product Care Instructions | Hand Wash Only | | Recommended Uses For Product | Aid-station refills, Backpacking, Fastpacking, Hiking, Hydration vest carry, Marathon training, Running, Running pack hydration, Trail Running, Travel, Ultramarathon racing | | Reusability | Reusable | | Shape | Round | | Specific Uses For Product | Electrolytes, Water | | Sport Type | Climbing, Exercise & Fitness, Running, Track & Field, Walking | | Style Name | 600ml - With Drink Straw | | Theme | Outdoor Activities | | UPC | 834456002628 | | Unit Count | 1 Count | ## Product Details - **Bottle Type:** Collapsible Water Bottle - **Brand:** HydraPak - **Capacity:** 600 ml - **Color:** Malibu Blue - **Material:** TPU, PP/POM, Silicone ## Images ![HydraPak UltraFlask Speed Collapsible Soft Flask (600ml, Old Malibu) - Image 1](https://m.media-amazon.com/images/I/61FGWl3OqIL.jpg) ## Frequently Bought Together - Hydrapak UltraFlask Speed 600ml - Collapsible Soft Flask Water Bottle for Hydration Vests and Running Packs with Easy Open Cap (600 ml/20 oz), Malibu Blue - HydraPak 42mm Filter Cap - Water Filtration Accessory - Fast Flow - Perfect for Hiking, Endurance Sports, Camping, Travel, and Emergency Preparedness --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.cy/products/457241264-hydrapak-ultraflask-speed-collapsible-soft-flask-600ml-old-malibu](https://www.desertcart.com.cy/products/457241264-hydrapak-ultraflask-speed-collapsible-soft-flask-600ml-old-malibu) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-10-06*