What exactly does "waterproof" mean? Waterproof fabric provides the highest level of protection from exterior moisture. From a technical perspective, a fabric is considered waterproof when it reaches a …

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May 28, 2021 · This guide will explain the difference so you’ll know which term to look for in clothing, building materials, or electronics. In general, waterproof connotes that a material is impervious to...

Nov 24, 2025 · Waterproof ratings explained. Learn what 5,000–20,000 mm means, how testing works, and which jacket rating you actually need for real rain and storms.

Feb 21, 2025 · At its most basic, waterproof means something that keeps the water off you. Water resistant means you won’t immediately get wet, but if it really starts to rain, you will.

Waterproof ratings are a standardised way to describe how well a fabric can resist water penetration, providing a clear indication of the level of protection you can expect from your outdoor clothing.

Waterproof – impenetrable materials and construction simply won’t allow water in, meaning it can stand up to a LOT of rain. Waterproof-breathable fabric also works to reduce that clammy feeling. If you’re …

Sep 25, 2024 · This article breaks down the difference between water resistant, waterproof and water repellent so you can make the right choice when buying.

Consider water-resistant down, synthetics or down/synthetic hybrids. Most insulated jackets feature water-resistant shells. Some use waterproof/breathable material. For high-exertion activities, look for …

The meaning of WATERPROOF is impervious to water; especially : covered or treated with a material (such as a solution of rubber) to prevent permeation by water.