The vast experience of ENDura in the design of road and off -road items is combined to create a waterproof jacket made to measure to meet the various needs of the graveling adventures. A list of carefully selected features ensures without compromise performance in a & wide variety of conditions, without adding excessive dimensions to maintain a small size in the backpack. Innovative Usenzing 3-Layer Construction and with a of Just 70 GRAMS/M2, The Exoshell40 Offers at Formidable Combination of Minimal Pack Size, immense Breathability and Long-Lasting Durability. The Key to exoshell40 & 39; S Impressive Breathability Rating of 40,000 Grams and a Water Resistance of 20,000mm Lies In the Ultra-Fine, Fluorine-Free membranes that is up to 50% THINNER THAN standard membranes, Protected by a Tric.