... 3-layer fabricis: the outer layer using polyamide, spandex shell fabric and treated with DUPON teflon protector; the middle layer ... fleece fabric to increase the capacity of warm-keeping.3.High quality YKK zippers, Duroflex buckles to guarantee frequancy use.4. ... in hem to avoid cold wind.Ideal for climbing,climbing,trekking&hiking,leisure sport.Test LabCooperation Brand Men's soft shell jackets