Bulwark Knee Armour Replacement Inner Foam Pad - Set of 3This set of three replacement inner foam pads for Bulwark Knee Armour is made with high density foam for additional protection of your legs. It's easy to install and helps create a secure, comfortable fit. Built to last, the foam pads can withstand repeated wear and tear. Set of three consists of top, centre and bottom replacement inner pads of the Bulwark Bionic Knee Armour.