100% Polyester. Mix of fabrics pinpoints comfort and function. Protective, stretchy double weave fabric core and upper back has Durable Water Resistant (DWR) finish that sheds water and resists staining. Mlange rib knit fabric on body and arms. Zippered chest pocket stores essentials. Lycra bound hood offers head-hugging, comfortable fit that stays put. No shoulder or side seams for motion-friendly, bag carrying comfort. Embroidered logo at left hem.