This Black Stallion flame - resistant denim work shirt is great for welding. To use it, simply put it on like any regular shirt. When wearing, make sure all the metal snaps are fastened properly to get full protection. As for maintenance, you can machine wash it in cold water. Avoid using bleach as it may damage the flame - resistant treatment. Hang it to dry instead of using a dryer on high heat. Always check the size chart before purchasing to ensure a proper fit. And if you need to store small items, use the chest pockets with snap - under flaps. Remember, this shirt meets ASTM F1506 standards, so you can trust its quality for your work.