The sleeves of the shirt eliminate the bulging discomfort of long periods of time. Adjust to the length you want to adjust, the 0.6 inch (15 mm) wide elastic fabric holds the shirt firmly in place. The wristband-style armband is elastic, and the size can be adjusted up to approximately 9.8 inches (25 cm). One size fits all. It is comfortable to wear and has a neat look. Sold as a pair of left and right Uses: For formal wear, formal wear, weddings, cooking, coffee shops, waitresses, bartenders, barberers, stylists, grass stews, agriculture, desk work, fishing, and other outdoor activities such as bicycle hems.