*UPDATE 7/22/2017: Thanks to customer feedback, we have changed the arm sling pouch's color from black and white to just black. As we make this transition, some of you may receive the previous black-and-white versions.* Don’t let an injury hinder your active lifestyle. The Think Ergo Arm Sling Sport is comfortable, lightweight, and breathable - perfect for those who are on the move. The entire arm pouch is made from a durable, knitted polyester mesh to allow maximum airflow and keep you cool. For added support, it has elastic thumb loops to prevent your hand from getting tired. With a front-facing micro velcro adjuster, you can easily adjust the length with one hand. Its padded neoprene strap won’t dig into your neck and shoulder and is made for all-day comfort. <br><br>Adult (5 feet-6 feet tall, 90-250 pounds). One Size Fits Most. Consult a physician before use. Make sure the strap is properly adjusted to fit comfortably and the velcro is well fastened. For any irregularities in pain or discomfort, stop using and consult a physician. Think Ergo Arm Sling Sport Instructions: 1) Take the arm sling out of the box and lay it on a flat surface, such as a table. 2) If you will be using the arm sling on your right arm, the opening of the arm pouch should be pointing to your left. If you will be using it on your left arm, the opening of the arm pouch should be pointing to your right. 3) Thread the strap through the loop, and pull up to tighten. Once you've reached the desired length on the strap, secure the Velcro closure 4) Put the arm sling on. The strap should be centered on your shoulder and the arm sling should be comfortably supporting your arm. Adjust length with the strap at the front.