--- product_id: 412120405 title: "Hydrapak UltraFlask Speed 500 ml Pack of 2 - Collapsible Water Bottle for Hydration Vests and Running Backpacks with Easy Open Cap (500 ml), Malibu Blue" brand: "hydrapak" price: "FREE" currency: EUR in_stock: false url: https://www.desertcart.gr/products/412120405-hydrapak-ultraflask-speed-500-ml-pack-of-2-collapsible-water store_origin: GR region: Greece --- # SpeedFill quick-open cap Fits hydration vests & backpacks 500 ml collapsible capacity Hydrapak UltraFlask Speed 500 ml Pack of 2 - Collapsible Water Bottle for Hydration Vests and Running Backpacks with Easy Open Cap (500 ml), Malibu Blue **Brand:** hydrapak **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 💦 Stay fueled, stay fast — hydration that keeps pace with your grind. ## Quick Answers - **What is this?** Hydrapak UltraFlask Speed 500 ml Pack of 2 - Collapsible Water Bottle for Hydration Vests and Running Backpacks with Easy Open Cap (500 ml), Malibu Blue by hydrapak - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/412120405-hydrapak-ultraflask-speed-500-ml-pack-of-2-collapsible-water) ## 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 - • **Hydrate in a Flash:** SpeedFill cap enables lightning-fast refills at aid stations—never miss a beat. - • **Pack Light, Run Far:** Ultra-light 46g design that collapses as you drink, minimizing bounce and bulk. - • **Customizable Sip Style:** Choose your hydration mode with interchangeable 42mm caps—bite valve or straw included. - • **Adventure-Proof Guarantee:** Beyond lifetime warranty with free repairs or replacements to keep you moving forward. - • **Seamless Vest Compatibility:** Engineered to fit snugly in most hydration vests and running backpacks for friction-free comfort. ## Overview The UltraFlask Speed 500 ml pack of 2 is a collapsible, ultra-lightweight hydration solution designed for runners and outdoor enthusiasts. Featuring a quick-open SpeedFill cap for rapid refills, compatibility with most hydration vests and backpacks, and customizable bite valve or straw options, it delivers convenience and performance. Made from BPA-free TPU and silicone, it weighs just 46 grams and collapses as you drink to reduce movement, backed by a lifetime warranty for durability and peace of mind. ## Description As part of our ultra-light range, the 600ml bottle is so light that you may forget you have it with you. Weighing just over 500 ml, it offers optimal hydration, no matter what type of runner you are. The soft material adapts to most bags and shrinks when drinking to minimise water movement. The SpeedFill closure allows for quick refills at supply stations and can be used with or without a hose. Ultra-light, ultra-useful. Included in the package: UltraFlask 500 ml drinking bottle SpeedFill cap drinking tube bite valve Basic care and instructions for use Specifications: Capacity: 600 ml / 20 fl oz Weight: 46 g / 1.6 oz Dimensions: 186 mm x 81 mm / 7.3 in x 2.3 in Material: TPU, PP, silicone, POM ## Features - COMPATIBLE WITH DRINKING SPORTS VESTS: Fits easily into most hydration vests, belts or backpack bags. Provides stability and a flexible bottle shoulder to avoid friction. - Collapsible bottle: the soft material adapts to any bag and shrinks when drinking to reduce movement and easy to fold after emptying. - PERFECT FOR HELP STATIONS: UltraFlasks are equipped with our SpeedFill cap, designed for quick and easy refilling at auxiliary stations. A side tab opens the cap with one movement and is closed with one click. - CUSTOMIZABLE CAP The UltraFlask comes with a customizable 42mm cap for versatility. Choose between straw or bite valve. - BEYOND THE LIFETIME WARRANTY: If you have any problem, we will repair or replace the item for free. Whatever it takes to keep your adventure going. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09S8RZB94 | | Additional Features | Carrying Loop, Flip Top, Lightweight | | Age Range Description | Any Age Group | | Best Sellers Rank | #97,850 in Sporting Goods ( See Top 100 in Sporting Goods ) #382 in Cycling Hydration Packs | | Bottle Type | Collapsible water bottle | | Brand Name | HydraPak | | Capacity | 500 ml | | Color | malibu blue | | Container Type | Soft Bottle | | Customer Reviews | 4.6 4.6 out of 5 stars (346) | | Finish Types | Glossy | | Included Components | Bottle+ Straw | | Item Dimensions W x H | 5.1W x 21.6H centimeters | | Item Type Name | Straw | | Item Weight | 84 Grams | | Manufacturer | Hydrapak | | Manufacturer Part Number | 20222 | | Material Type | Silicone, Thermoplastic Polyurethane | | Material Type Free | BPA Free, BPS Free, PVC Free, BPF Free, DEHP Free | | Model Name | Ultraflask | | Model Number | 20222 | | Number of Items | 2 | | Number of Packs | 2 | | Product Care Instructions | Hand Wash Only | | Recommended Uses For Product | Running, Hiking, Traveling, Everyday use | | Reusability | Reusable | | Shape | irregular shape | | Specific Uses For Product | Running, Hiking, Traveling, Everyday use | | Sport Type | Running | | Style Name | Modern | | Theme | Hydration Bottle, Athletic | | UPC | 834456002901 | | Unit Count | 1 Count | ## Product Details - **Bottle type:** Collapsible water bottle - **Brand:** HydraPak - **Capacity:** 500 ml - **Colour:** malibu blue - **Material:** Silicone, Thermoplastic Polyurethane ## Images ![Hydrapak UltraFlask Speed 500 ml Pack of 2 - Collapsible Water Bottle for Hydration Vests and Running Backpacks with Easy Open Cap (500 ml), Malibu Blue - Image 1](https://m.media-amazon.com/images/I/6143Thp1XTL.jpg) ## Available Options This product comes in different **Color, Style** options. ## Questions & Answers **Q: I have a bunch of these but they tend to get a bit slimy inside. What is the best way to clean them?** A: We suggest using Bottle Bright to help clean your soft flask. https://www.amazon.com/Bottle-Bright-Tablets-Biodegradable-Hydration/dp/B06XYCVDB9/ref=sr_1_4?hvadid=616928149387&hvdev=c&hvlocphy=9028880&hvnetw=g&hvqmt=e&hvrand=2863089430132798370&hvtargid=kwd-12313741154&hydadcr=9377_13604253&keywords=bottle+bright&qid=1693921708&sr=8-4 **Q: Will they take a Katadyn BeFree filter?** A: Haven't tried putting the filter in, but I carry the BeFree collapsable water filter and flask with me on most of my runs, hikes, and long gravel rides. It folds up easy and weighs nothing. I have been doing this for years. Very fortunate to live in Washington where there is clean, clear water on most of the trails & mountain gravel roads up here. **Q: osprey duro 15, will it fit the front pockets?** A: Hi there! Our flasks and reservoirs will fit most running vests. Please see below dimensions and compare to that of your running vest to see if they are compatible. Dimensions: 7.3 x 2.3 in ## Frequently Bought Together - HydraPak UltraFlask Speed (500ml or 600ml) - Collapsible Soft Flask Water Bottle for Hydration Vests and Running Packs with Easy Open Cap - HydraPak Velocity Hydration Reservoir (1.5L or 2L), Slim Profile Water Bladder, Self-Sealing Bite Valve, Leak Proof, Reversible, Dishwasher Safe - HydraPak Velocity IT (1.5L or 2L Hydration Reservoir) - Insulated Water Bladder/Reservoir for Hydration Pack – Self-Sealing Bite Valve, Leak Proof and Dishwasher Safe --- ## 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.gr/products/412120405-hydrapak-ultraflask-speed-500-ml-pack-of-2-collapsible-water](https://www.desertcart.gr/products/412120405-hydrapak-ultraflask-speed-500-ml-pack-of-2-collapsible-water) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-11-06*