--- product_id: 538578003 title: "FITLY Soft Flask - 5 oz (150 ml) - Shrink As You Drink Soft Water Bottle for Hydration Pack - Folding Water Bottle For Running & Hiking - Portable Water Flask - Running Water Bottle (F1B)" brand: "fitly" price: "€ 32.95" currency: EUR in_stock: true category: "Fitly" url: https://www.desertcart.pt/products/538578003-fitly-soft-flask-5-oz-150-ml-shrink-as-you store_origin: PT region: Portugal --- # Shrinks as you drink, no slosh 5 oz (150 ml) compact capacity Ultra-lightweight 20g design FITLY Soft Flask - 5 oz (150 ml) - Shrink As You Drink Soft Water Bottle for Hydration Pack - Folding Water Bottle For Running & Hiking - Portable Water Flask - Running Water Bottle (F1B) **Brand:** fitly **Price:** € 32.95 **Availability:** ✅ In Stock ## Summary > 💨 Stay light, stay fast, stay hydrated with FITLY’s shrink-to-fit soft flask! ## Quick Answers - **What is this?** FITLY Soft Flask - 5 oz (150 ml) - Shrink As You Drink Soft Water Bottle for Hydration Pack - Folding Water Bottle For Running & Hiking - Portable Water Flask - Running Water Bottle (F1B) by fitly - **How much does it cost?** € 32.95 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/538578003-fitly-soft-flask-5-oz-150-ml-shrink-as-you) ## Best For - fitly enthusiasts ## Why This Product - Trusted fitly brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart sip tech:** Leak-resistant bite valve lets you hydrate quickly and easily without missing a beat. - • **Freeze & refresh:** Freezable design doubles as an ice pack to keep your drink cool on long runs or hikes. - • **No bounce, no spill:** Innovative shrink-as-you-drink design eliminates sloshing and rattling during vigorous activity. - • **Light as air, tough as nails:** Weighing just 20 grams and made from BPA & PVC-free materials, it’s built for endless reuse. - • **Hydration that moves with you:** Collapsible soft flask fits seamlessly in pockets or packs for on-the-go refreshment. ## Overview The FITLY Soft Flask is a 5 oz (150 ml) collapsible water bottle designed for runners, hikers, and active professionals. Its unique shrink-as-you-drink feature prevents sloshing and bouncing, while the ultra-lightweight, BPA & PVC-free construction ensures comfort and safety. Compact and freezable, it fits easily into pockets or hydration packs, making it the perfect hydration companion for high-intensity activities. ## Description FITLY Flasks are ideal for quick drinks on the run. Gobble up a gel, wet a dry throat, or re-hydrate. Designed to be used while running or biking. Stores directly in your front, side, or back pockets. FITLY Flasks shrink as you drink so nothing ever moves, bounces or rattles. ## Features - HYDRATION ON THE MOVE: Our collapsible water bottle is a compact and eco-friendly way to stay hydrated on the move! The soft water bottle is the perfect hydration tool for active individuals. Our running water bottle shrink as you drink, taking up minimal space and won’t slosh around, making it perfect for runners and vigorous activities. - SHRINKS AS YOU DRINK: Our collapsible water bottle is uniquely designed to shrink as you drink. This ensures the water doesn’t slosh around, bounce or rattle. The flexible design of our soft flask running bottles shapes to your hand & body, meaning the soft flask is never unwieldy. Our flexible water bottle features an intelligent bite valve & leak-resistant mouthpiece. - STAY LIGHT ON YOUR FEET: FITLY’s collapsible flask is purposely lightweight ensuring your light on your feet and not weighted down by unnecessary bulk. At FITLY, reusability is deeply important to us, and our water bladder is no exception. Enjoy limitless use from our portable water flask that is 100% BPA & PVC-free. - HYDRATION ON THE MOVE: Our soft flask is specially crafted for vigorous activities such as running, hiking, cycling and climbing. The perfect sporting companion, take it everywhere with you! Our soft water bottle can be folded and tucked into your pocket or bag. Our soft flask comes in 5 size variations and are freezable so they can double as an ice pack. - DIRECTIONS FOR USE: We recommend rinsing the flask thoroughly before first use. If you experience taste mix ½ a teaspoon of BAKING SODA with water, shake and rinse. Users have also found the following to be useful: Fill with MILK, shake, and rinse. Add drops of lemon. Let an orange peel or tea bag set in the flask for a couple of hours. To hydrate, simply softly bite the mouthpiece and press the soft flask and enjoy! The harder you press, the faster the liquid will exit. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BBG7TZFL | | Additional Features | Freezable, Leak Proof, Lightweight | | Age Range Description | Any Age Group | | Best Sellers Rank | #36,113 in Sporting Goods ( See Top 100 in Sporting Goods ) #32 in Camping & Hiking Hydration Flasks | | Bottle Type | Collapsible Bottle | | Brand Name | FITLY | | Capacity | 150 ml | | Color | Black | | Container Type | Soft flask or bottle | | Customer Reviews | 4.2 4.2 out of 5 stars (584) | | Finish Types | Glossy | | Included Components | F1B | | Item Dimensions W x H | 7W x 14H centimeters | | Item Type Name | Running Accessory | | Item Weight | 0.02 Kilograms | | Manufacturer | FITLY | | Manufacturer Part Number | F1B | | Material Type | Polyvinyl Chloride | | Material Type Free | BPA Free, PVC Free | | Model Name | F1B | | Model Number | F1B | | Number of Items | 1 | | Number of Packs | 1 | | Product Care Instructions | Hand wash only with warm water | | Recommended Uses For Product | running, cycling, hiking | | Reusability | Reusable | | Shape | Rectangular prism with rounded corners | | Specific Uses For Product | Running, hiking, cycling, skiing | | Sport Type | Climbing, Football, Swimming, Tennis | | Style Name | Contemporary | | Theme | Sport | | Unit Count | 1.0 Count | ## Product Details - **Bottle type:** Collapsible Bottle - **Brand:** FITLY - **Capacity:** 150 ml - **Colour:** Black - **Material:** Polyvinyl Chloride ## Images ![FITLY Soft Flask - 5 oz (150 ml) - Shrink As You Drink Soft Water Bottle for Hydration Pack - Folding Water Bottle For Running & Hiking - Portable Water Flask - Running Water Bottle (F1B) - Image 1](https://m.media-amazon.com/images/I/61yVqpDVlnL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - FITLY Soft Flask - Shrink As You Drink Soft Water Bottle for Hydration Pack - Folding Water Bottle Ideal for Running, Hiking, Cycling, Climbing & Rigorous Activity - Fitgriff® Running Belt for Men & Women - Secure Jogging Pouch for Phone, Keys & Essentials - For All Cell Phones - FlipBelt Classic Running Belt, Running Fanny Pack for Women and Men, USA Company --- ## 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.pt/products/538578003-fitly-soft-flask-5-oz-150-ml-shrink-as-you](https://www.desertcart.pt/products/538578003-fitly-soft-flask-5-oz-150-ml-shrink-as-you) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-26*