... & alkali proof jacket. It is still comfortable to wear with permeability to water vapor but polluted air.Composition100% cotton, CVC, P/CFinish ... .Weight170-420gsmWidth43"/44", 47"/48", 57"/58",etc.ConstructionTwill, Satin, Canvas, Denim, Plain cloth, etc.Wash timesAt least 50 timesPackingPacking by ...