SIGGI Military Army Corps Cap for Men Sun Baseball Hiking Running Sport Hat Black When delivered by seller,it will be fulfilled within 2 days after being ordered. Usually it takes 8-12days for you to receive the item after delivery. To make sure it is in good condition when arriving you, it will be well packed in a cardboard box before delivery. M-size:58cm, 22.8",7-1/4; L-size:60cm, 23.6", 7-1/2. NOT adjustable, it's average size. 100%cotton fabric provides a comfort & durability. The lightweight fabric is extremely breathable to keep you cool. It has a very absorbent sweat-band design, so you don't need to worry about troubles like sweat running into eyes. Excellent quality in details,you will see good stitching with no loose threads. The bill is long and firm, offering good protection from the sun. The shape fits head well, even when you engaged in physical activities or be in a stiff wind, it still stays great. High durability design, so the army/military/corps cap will last longer and stand up to any daily wear and tear. Also perform good as sun hats for outdoors sports activities like running, hiking and baseball.