The Tr-Layer Jacket 25K Pro from MATRIX is the updated version of the older Hydro RS 20K Jacket. This jacket has the following new features: Reinforced three-layer nylon outer with PU coating, 25000mm waterproof, 3000gr/m2 breathable, All seams are fully taped, All outer zippers are YKK and waterproof, Internal storm flap and tricot lined chin section, Fully adjustable peak hood, Double drawstring in hem, Enlarged draft flaps on pockets, Anti-draft neoprene cuffs, YKK zippers only, Internal zipped security pocket, Partly elasticated cuffs with adjustable straps, Available in sizes S, M, L, XL, XXL, XXXL and XXXXL.