The SCAM Outdoor Brands Don't Want You To Know
Summary
The video delves into the invention of Gortex, detailing its waterproof yet limited breathability nature due to outer fabric saturation. It touches upon DWR coating need and its consequences when worn out. An alternative breathable membrane that doesn't require DWR coating is introduced, with tests showing Gortex fabric's breathability without the coating in a humidity chamber. The significance of airflow in promoting sweat evaporation inside jackets, challenges in high humidity areas, and users' confirmation bias towards Gortex are also discussed.
Introduction to Gortex
Explanation of the invention of Gortex and its origins involving fluorinated chemicals and environmental concerns.
Waterproof but not Breathable
Discussion on the waterproof nature of Gortex but its limitations in breathability when the outer fabric becomes saturated.
Durable Water Repellent (DWR) Finish
Explanation of the use of DWR finish on Gortex jackets, its need for reapplication, and the consequences when it stops working.
Alternative to Gortex
Introduction of an alternative breathable membrane that does not require DWR coating like Gortex jackets.
Testing Without DWR
Test setup to evaluate the breathability of Gortex fabric without DWR coating using a humidity control chamber.
Role of Humidity in Breathability
Explanation of how humidity levels affect the breathability of jackets using an analogy of parking lots and air saturation.
Air Movement and Ventilation
Discussion on the importance of air movement in allowing sweat evaporation inside jackets and the role of ventilation like pit Zips.
Limitations of Gortex in High Humidity
Challenges faced by Gortex jackets in high humidity environments and the impact on evaporation.
Confirmation Bias and Gortex
Explanation of confirmation bias in users' perceptions of Gortex jackets and the marketing strategies of the brand.
FAQ
Q: What is Gortex?
A: Gortex is a waterproof but breathable fabric known for its use in outdoor jackets.
Q: What are the limitations of Gortex in terms of breathability?
A: Gortex's breathability is compromised when the outer fabric becomes saturated.
Q: What is DWR finish on Gortex jackets and why is it needed?
A: DWR finish is a durable water repellent coating applied to Gortex jackets to enhance water resistance. It needs reapplication over time.
Q: What alternative breathable membrane was introduced as a Gortex jacket alternative?
A: An alternative breathable membrane that does not require DWR coating like Gortex jackets was introduced.
Q: How was the breathability of Gortex fabric tested without DWR coating?
A: The breathability of Gortex fabric without DWR coating was evaluated using a humidity control chamber.
Q: How do humidity levels affect the breathability of jackets according to the analogy used?
A: Humidity levels affect breathability similar to how air saturation in parking lots affects their capacity to absorb rain.
Q: What role does air movement play in allowing sweat evaporation inside jackets?
A: Air movement is crucial for sweat evaporation inside jackets, promoting breathability.
Q: What challenges do Gortex jackets face in high humidity environments?
A: Gortex jackets face challenges in high humidity environments as high humidity inhibits evaporation.
Q: What is confirmation bias in the context of users' perceptions of Gortex jackets?
A: Confirmation bias refers to users' tendency to favor information that confirms their existing beliefs about Gortex jackets.
Q: What is emphasized in the discussion about the marketing strategies of the Gortex brand?
A: The discussion emphasizes the impact of marketing strategies on users' perceptions of Gortex jackets.
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