Woschmann Knee Shin Guards Adult Upgraded Alloy Steel Knee Pads Protector Flexible Breathable Adjustable Elbow Armour for Motorcycle Motocross Racing Mountain Bike, One size Fits Most , 4 Pieces By Komodo. High Strength Protection: These Knee Armour Moulded From Steel Knee Padded Plates to Prevent the Bump, Crash, Etc., Providing a Greater Degree of Comfort & Protection for Knees & Shins.