Heavy Duty Knee Pad Sleeves Can Be Worn Under Or Over Pants For All Day Wear, Triple Layer Protection With Interior Neoprene Foam Padding For All-Day Comfort, Ergonomically Engineered Flexible Padding With Anti-Abrasion Layer Contours To Leg Shape For Ultimate Comfort, Unique Design Keeps Knee Pads Close To The Body For A Second-Skin Fit Allowing For Agility When Working In Tight Spaces, Lightweight, Breathable Mesh Back To Keep You Cool And Comfortable, Elastic Cuff With Slip-Resistant Silicone Helps Knee Pads Stay In Place, Sold In Pairs And Offered In Two Sizes For Any Jobsite Or Weekend Task That Puts Pressure On The Knees, Large/XL