- Published on
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 →1 guides · facts & specs only
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 →