Understanding Gore-Tex Ratings: Is it Really 20K?

Explore the truth about Gore-Tex ratings and whether they meet the 20K waterproof standard.

Published Jun 10, 2025

Overview

In the quest for high-performance outdoor gear, understanding the specifications of waterproof materials like Gore-Tex is essential. Many outdoor enthusiasts wonder if Gore-Tex is rated at 20K; however, as clarified in our Q&A video, Gore-Tex itself does not have a standardized 20K rating. Instead, numerous Gore-Tex fabrics have impressive waterproof and breathability metrics that can surpass 20,000mm and 20,000g/m²/24hr. This clarification is vital for selecting the right gear for your adventures, ensuring that you stay dry and comfortable, regardless of the conditions.

Video transcript

Gore-Tex itself doesn't have a specific 20K rating, but many Gore-Tex fabrics exceed 20,000mm waterproof and 20,000g/m²/24hr breathability ratings. Always check the specific product details for exact performance metrics.

Questions and answers

What does 20K mean in waterproofing?
20K refers to the measurement of waterproofing that indicates how well a fabric can withstand water pressure, specifically 20,000mm of water column before leakage occurs.
Is Gore-Tex the most waterproof fabric?
While Gore-Tex is one of the most well-known waterproof fabrics, the level of waterproofness can vary depending on the specific product and its construction. Some alternatives may offer comparable or even higher ratings.
How can I ensure my Gore-Tex gear is performing at its best?
To maintain optimal performance of your Gore-Tex gear, avoid washing with fabric softeners, follow care instructions, and regularly re-treat the fabric with a DWR (Durable Water Repellent) spray after several washes.
What are the breathability ratings of Gore-Tex?
Gore-Tex fabrics typically offer high breathability ratings, often exceeding 20,000g/m²/24hr, which indicates how much moisture can escape while wearing the material, keeping users comfortable during intense activity.