Navistan Warm Oilskin JR D blu TRIBORD

What does a "waterproof" jacket mean? It's a fabric's resistance to water penetration. This is measured using an approved water pressure test. Since the average pressure of rainfall ranges from 1000 mm to 2000 mm, we consider a fabric to be waterproof from 2000 mm onwards. Our products are able to resist a pressure which varies from 2000 to 10000 mm. They are, therefore, extremely waterproof and suited to all weather conditions while our products in the 900 range are especially adapted to withstand even the most extreme conditions.

What is a waterproofing test or "shower test"? Approved test where the garment is placed under a shower simulating different weather conditions. All our products are certified 100% waterproof having been tested for 4+ hours in rain of 100 L/h/sqm to 450 L/h/sqm depending on the product use. To put this into perspective, the highest recorded rainfall was in the USA in 1942, when 174 L/h/sqm fell over 4.5 hours (NOAA). The average rainfall in Paris is 2 L/h/sqm (www.Paris.fr)

What are sealed seams or strips? These are seams that are sealed (or taped) using thermally-sealed watertight strips. They are placed behind the seams and are essential to making the garment watertight as they prevent water from penetrating the fabric by capillary action (water penetration through absorption by the threads and/or stitching holes).

What is hydrolysis? Hydrolysis is a chemical process whereby a membrane or standard coating is broken down by salt present in sea water and sea spray. All Tribord membranes and coatings use a technology which halts hydrolysis, allowing the garments to retain their essential properties for long periods of time. The garments don't degrade and remain watertight and breathable for a long time.