---
product_id: 453398435
title: "Soft Flask, TPU Foldable Running Hydration Flask, Soft Collapsible Water Bottle for Hydration Pack Cycling Marathon Running Hiking"
brand: "syosi"
price: "€ 26.26"
currency: EUR
in_stock: true
reviews_count: 3
category: "Syosi"
url: https://www.desertcart.es/products/453398435-soft-flask-tpu-foldable-running-hydration-flask-soft-collapsible-water
store_origin: ES
region: Spain
---

# 500ml/16oz capacity Food-grade TPU, BPA-free 0-60℃ temperature range Soft Flask, TPU Foldable Running Hydration Flask, Soft Collapsible Water Bottle for Hydration Pack Cycling Marathon Running Hiking

**Brand:** syosi
**Price:** € 26.26
**Availability:** ✅ In Stock

## Summary

> 💦 Stay fueled, stay ahead—hydrate like a pro with every step!

## Quick Answers

- **What is this?** Soft Flask, TPU Foldable Running Hydration Flask, Soft Collapsible Water Bottle for Hydration Pack Cycling Marathon Running Hiking by syosi
- **How much does it cost?** € 26.26 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/453398435-soft-flask-tpu-foldable-running-hydration-flask-soft-collapsible-water)

## Best For

- syosi enthusiasts

## Why This Product

- Trusted syosi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hydrate on the Go:** Compact 500ml capacity fits perfectly in any hydration pack or belt.
- • **Safe & Lightweight:** Made from BPA-free, food-grade TPU for worry-free hydration.
- • **Effortless Drinking:** Soft silicone bite valve with dust cover ensures quick, clean sips.
- • **Space-Saving Flexibility:** Collapsible design folds flat when empty—carry less, do more.
- • **Built for Every Adventure:** Durable, foldable design ideal for cycling, marathons, hiking, and more.

## Overview

The SYOSI Soft Flask is a 500ml foldable hydration bottle crafted from BPA-free, food-grade TPU, designed for active professionals who demand lightweight, durable, and easy-to-clean hydration solutions. Its soft silicone bite valve with dust cover ensures hygienic, quick access to water, while its collapsible design fits seamlessly into running vests, cycling packs, and hiking gear—perfect for millennial adventurers who never compromise on performance or style.

## Description

SYOSI Soft Flask, TPU Foldable Running Hydration Flask, Soft Collapsible Water Bottle for Hydration Pack Cycling Marathon Running Hiking : desertcart.ae: Sporting Goods

Review: Perfect soft flask for long runs - Been using it for my long runs, love it
Review: Good product - As advertised

## Features

- 💧 Package included one hydration flask (500ml/16oz). Recommended temperature range 0-60℃.
- 💧 Made of food-grade TPU (thermoplastic polyurethane) material and BPF-free, safe and lightweight, easy cleaning.
- 💧 SOFT FLASK makes staying hydrated faster and easier, and it has a durable bite valve with dust cover, the bite silicone mouthpiece lightly gets water easily.
- 💧 Foldable running water bottle is easy to carry whenever empty or full. It is ideal for a hydration running vest and hydration waist belt. The soft flask can be used by adults and children, men and women.
- 💧 Soft collapsible flask can be widely used in cycling marathon running hiking and any other outdoors activities.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B5DQHXD1 |
| Batteries Included? | No |
| Best Sellers Rank | #400 in Sporting Goods ( See Top 100 in Sporting Goods ) #1 in Cycling Hydration Packs |
| Brand | SYOSI |
| Color | Silver |
| Customer Reviews | 4.0 4.0 out of 5 stars (22) |
| Date First Available | 29 June 2022 |
| Features | Collapsable, Lightweight, Wide Mouth |
| Manufacturer | SYOSI |
| Material Type | thermoplastic_polyurethane, Tpu |
| Number of Items | 1 |
| Product Dimensions | 9 x 9 x 4 cm; 40 g |
| Shape | Oval |
| Size | 0.5 ليتر |
| Usage | Cycling, Running, Hiking, Outdoor Activities |

## Product Details

- **Bottle type:** Collapsible
- **Brand:** SYOSI
- **Capacity:** 500 Milliliters
- **Colour:** Silver
- **Material:** thermoplastic_polyurethane, Tpu

## Images

![Soft Flask, TPU Foldable Running Hydration Flask, Soft Collapsible Water Bottle for Hydration Pack Cycling Marathon Running Hiking - Image 1](https://m.media-amazon.com/images/I/61D23Ya4lnL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect soft flask for long runs
*by D***A on 7 January 2026*

Been using it for my long runs, love it

### ⭐⭐⭐⭐⭐ Good product
*by A***K on 2 September 2023*

As advertised

### ⭐ Leaking
*by L***O on 5 December 2025*

Used the flask for the first time and the water leaked everywhere. My hiking bag and everything inside got completely soaked.

## Frequently Bought Together

- SYOSI Soft Flask, TPU Foldable Running Hydration Flask, Soft Collapsible Water Bottle for Hydration Pack Cycling Marathon Running Hiking
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**Shop now:** [https://www.desertcart.es/products/453398435-soft-flask-tpu-foldable-running-hydration-flask-soft-collapsible-water](https://www.desertcart.es/products/453398435-soft-flask-tpu-foldable-running-hydration-flask-soft-collapsible-water)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-05-17*