# Compressport Ergoflask 300ml

**Brand:** COMPRESSPORT
**Category:** Sport & fitness
**Code (GTIN/SKU):** 7630279406307
**Canonical URL:** https://openreviews.io/en/reviews/compressport/compressport-ergoflask-300ml-7630279406307

## Rating: 4.0/5 ★★★★☆ — 49 reviews analyzed
_Confidence: high_

## At a glance

Compressport Ergoflask 300ml reviews: 4.0/5 based on 49 analyzed reviews from 4 sites, updated October 12, 2026.

Praised: compact size and practicality.

49 reviews analyzed, all published on other sites.
Other sites: 4 sources, 49 reviews, average rating 4.0/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This 300 ml soft flask is specially designed for trail running and easily slides into a carrying belt like the Freebelt. Users appreciate its collapsible design which makes it particularly practical and efficient for quick hydration during exercise without unnecessary bulk. The product has been tested and approved multiple times in the field, confirming its reliability for runners.

## Strengths

- **Compact size** — Its soft and collapsible design allows it to be easily stored in a pocket or a running belt once empty.
- **Practicality** — It greatly facilitates hydration while running thanks to its grip and ergonomics adapted for physical effort.

## Frequently asked questions

- Is it compatible with all running belts?
- Does the flask give a plastic taste to the water?
- Is it easy to clean after use?
- Is the cap completely leakproof during the run?

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_Source: OpenReviews — https://openreviews.io/en/reviews/compressport/compressport-ergoflask-300ml-7630279406307_