Outer shell Du Pont® Cordura 500 D Contains non-textile parts of animal origin Lining mesh lining Membrane removable GORE-TEX® 3-layer technology liner can be used attached inside or over the pants Fit/features 2 external pockets air-vent zippers stretch panels at back & knees special stretch & fabric panels in crotch & calves waist belt Held Clip-in Technology Zips & velcro at ankles button fixtures for optional braces Kangaroo leather anti-slip seat patch Protection optional hip protectors pocket for optional Held cloverleaf SAS-TEC® CE-proved coccyx protector EN 1621-1 approved height-adjustable SAS-TEC® 3D knee protectors reflective print Connecting zip