Knee pads and elbow pads are ergonomically designed, and are made of high grade durable fabrics, with EVA foam padding, and polycarbonate full coverage caps for superior protection that wont restrict movement. The wrist guards offer rigid support and protection with high-density, impact-resistant molded ABS splints and tough 4-way stretch nylon mesh for a snug fit. Ideal for skateboarding, biking, roller derby, and inline skating (roller blading), all pads feature an easy on-and-off sleeveless design and wide, reinforced elastic straps with adjustable hook and loop closures that ensure a secure fit. The Triple Eight Saver Series Pad Set is available in four sizes to fit kids, youth, and adults (size determined by wrist guard; measure around the hand at knuckles): Junior fits 7.0-7.5 inches, Small fits 7.5-8.0 inches, Medium fits 8.0-9.0 inches, and Large fits 9.0-10.0 inches.