Construction Out-shell Fixed Mesh Lining Removable Breathable Waterproof Membrane is 8000MM The Air Permeability is 4500g/m 2/24h Removable Winter Lining Cotton Features Stretch panels at crotch Stretch panels at knees Anti-slip seat patch for better confort & control Reflective details improve visibility of the rider Abrasion resistant material reinforcement at knee patch YKK Front Zipper YKK Zipper Pants Ready Good Air Permeability & Moisture Permeability Durable Wash Fastness Air vent zipper at hight Adjustment waistband Adjustable leg opening (Zip + Velcro combination 2 Side pockets (zip closure) Protection Knee protector pocket with variable system, 3 protector positions are possible Removable Hip & Knee Protector EN1621- 1:2012 Level 1