Heavy Duty Knee Pads with PORON® CoyoteFeatures and Benefits Rugged high abrasion nonslip Hypalon on front Elastic straps with hook and loop closure Impact resistant 1" Poron padded insert Poron padding has excellent compression set resistance which enables durable, long term performance . 050 Polyethylene knee cup for added protection 4 way stretch lining provides a breathable, moisture resistant layer to reduce overheating Removable foam for easy cleaning or addition of more padding