Men's 3-season jacket has a 100% nylon shell (3.23 oz. taslan) with body lined in heavyweight anti-pill fleece (8.91 oz pill resistant polyester). Sleeves are lined with nylon taffeta,(8.26 oz.) quilted to heavyweight polyester fill. Jacket has nylon fleece lined zip through tunnel collar, contrasting rib knit nylon cuffs and waistband. Also has velcro storm flap. Water repellent.