The mens Active Packaway II Overtrousers offer incredibly lightweight packable protection for wet weather. They use a tough wearing polyamide fabric with breathable Isolite technology and sealed seams to keep you dry inside and out. The legs fasten with two-way full length zips and the waist is elasticated for easy access. The minimal pack weight makes them an ideal choice for longer trips and journeys in changeable weather. 100% Polyester. Regatta Mens Overtrousers Sizing (Waist Approx): XXS (26-28in/66-71cm), XS (28-30in/71-76cm), S (30-32in/76-81cm), M (33-34in/84-86cm), L (36-37in/92-94cm), XL (38-40in/97-102cm), XXL (42-44in/107-112cm), XXXL (46-48in/117-122cm), XXXXL (50-52in/127-132cm). Ref: UTRG493