The ProFlex 300 Swivel Knee Pads are designed for all-day comfort, featuring NBR foam that offers a soft cushion while maintaining its shape and support even with extended use, reducing strain on the knees during prolonged kneeling tasks. The rounded hardshell plastic caps offer additional mobility for sliding, swiveling and pivoting, ensuring secure traction without sacrificing smooth and controlled movement, making them ideal for use on a variety of surfaces without compromising flex