If you're a serious player, you wear knee pads. If you're a smart player, you wear Mizuno® Knee Pads.
These peformance proven, premium kneepad from Mizuno are designed with a stay-in-place contoured shape with a 1" molded bubble pad for better patella, lateral and medial protection.
Made of a comfortable blend of polyester/cotton/spandex blend. And, of course, they're washable!