Flex 2000 water- and windproof rain trousers. Taped seams. 2 side pockets. Elastic waistband. Adjustable bottom with zipper. ... Flex 2000 water- and windproof rain trousers. Taped seams. 2 side pockets. Elastic waistband. Adjustable bottom with zipper. EN ISO 13688:2013. EN 343:2003+A1:2007 class 3/1