Material HEROS-TEC® 500D fabric Lining mesh lining Membrane removable waterproof, windproof & breathable liner Comfort waist adjustment Zips & velcro at ankles button fixtures for optional braces Held Clip-in Technology anti-slip seat patch for better comfort & control 4 external pockets Safety Connecting zip pocket for optional Held cloverleaf SAS-TEC® proved coccyx protector reflective sections pockets for optional hip protectors EN 1621-1 certified height-adjustable soft protectors at knees