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Sealskinz original three layer construction seamlessly bonds a hydrophilic (waterproof) membrane with a high performance inner and outer fabric to created a product with unrivaled waterproof and breathable performance.
The waterproof performance of the membrane is represented and measured as “Hydrostatic Head”.
The higher the hydrostatic head, the greater waterproof performance of the membrane.
Sealskinz knitted waterproof products have a hydrostatic head of over 20,000mm, this guarantees waterproofing to the highest level. Tested independently: [ BS3424, Part 26:1990, Method 29A]
The hydrophilic membrane is highly breathable allowing the rapid transfer of moisture away from from the skin, keeping you cool, dry and comfortable.
The hydrophilic membrane has a water vapour permeability of over 65% (WVP/24hr)
(Test method: BS 7209:1990)