This is a men's UNTUCKit button-down shirt in size M. It features a plaid pattern in multicolor, long sleeves, a collared neckline with a button-down collar style, made of 100% cotton knit fabric. The shirt is designed for a regular fit and is suitable for travel, casual wear, work, or business settings, with a classic theme. Ships via USPS or UPS and will be dependent upon the weight of the item as to what service it ships with. Please note that any media items ship via Media Mail. All other items ship either USPS Ground Advantage or UPS Ground and varies depending on your distance from my home location (NJ). Any questions, PLEASE ask before buying!