Lightweight 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, Small/Medium