S1 Elbow Pads are made with a highly durable, heavy weight ballistic nylon outer fabric and high grade ABS plastic caps to protect the elbow. S1 Elbow Pads are comfortable, breathable and built to last. The top strap of the S1 Elbow Pad is adjustable and the bottom strap is fixed to prevent slippage on the forearm. S1 Elbow Pads come in a set with both a right and left included in a quality mesh carrying bag.