Bikers Gear UK Men's Heavy Duty CE Armour Breathable Vented Waterproof Pants Vented zips open for summer and close for winter. Heavy duty 8 Waterproof linings to full leg length. Fully armoured in knees and hips with high back waist band for extra comfort. Stretch panelled knees for even more flexibility and comfort.pocket zips for extra security. Bottom leg zips for easy on and off fitting. Knee armoured to ce standard and fully removal.