X-Pac™ Fabric was borne from high-performance sailcloth requirements.  It is a 4 layer laminate that is extremely tough, very waterproof material that is the favorite material for high performance backpacks and gear bags.

Although this fabric has been treated with a UV protection coating and has a good resistance to the harmful rays from the sunlight, it is recommended that impact to the fabric should be minimized, as the coating can be chafed off. Do not leave any part of the fabric exposed to sunlight for extended periods of time when not in use.

Washing and cleaning:
Localized stains can be removed by using a normal
detergent and lukewarm water. Do not attempt to launder the material.
Rinse the fabric to remove salt and dirt with fresh water.

Mildew can be removed by brushing the stained area with a dry stiff
brush, removing as much as possible. Let the stained area be soaked in
a solution of freshwater and 1 % chlorine for about 2 hours and rinse
with plenty of fresh water.