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Waterproof rating (mm hydrostatic head) explained for jackets and tents: what the number survives, the 10,000mm threshold, tent floor vs flysheet, and why seams matter.
Read guide →2 guides · facts & specs only
How to choose Hardshell Jackets? LogicBuy compares Hardshell Jackets by objective specs — understand the key parameters, skip the marketing hype, and pick what truly fits your needs.
Waterproof rating (mm hydrostatic head) explained for jackets and tents: what the number survives, the 10,000mm threshold, tent floor vs flysheet, and why seams matter.
Read guide →A 20,000mm waterproof rating does not automatically mean a jacket stays dry in heavy rain. Seam sealing type, DWR treatment, and breathability ratings determine real-world performance. Here is how to read the specifications that actually matter.
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