Outer shell 500D Polyamide (100% polyamide) Lining mesh lining (100% polyester) detachable thermal liner (100% polyester) Membrane Membrane, waterproof, windproof and breathable (100% polyester with 100% polyurethane coating) Fit/features 2 external pockets air-vent zippers button fixtures for optional braces special stretch & fabric panels in crotch & calves waist belt stretch panels at back and knees PITTARDS® leather anti-slip seat patch Protection EN 1621-1 certified height-adjustable soft protectors at knees optional hip protectors Connecting zip abraison resistant material reinforcement at knees (100% polyamide) reflective sections