94% Polyester, 6% Elastane Imported HYDROPORE HEATHER LITE UV Q.M.C. S.FRESH: very lightweight, abrasion resistant, stretchy and fast drying fabric with smooth, marled-look finish, stay-fresh properties and UV protection (UPF 40+) (DIN EN 13758:2007, EN 13758-1:2001+A1:2006)