The University of Nebraska-Lincoln Department of Mathematics has new math department shirts for sale through Jan. 12!
A T-shirt and a long-sleeved hoodie (thin-material soft sweatshirt) are the two available options. At http://www.math.unl.edu/friends choose the button "Lincoln Store Pickup" to avoid shipping charges and pick up your shirt (after Jan. 29) at Underground Printing, 1601 Q St, Lincoln, NE 68508.
To have the shirt shipped elsewhere than the Lincoln store, you can use this choose the button marked "Individual Shipping".
Once the online order form closes on Jan. 12, then all orders will be processed and shipped, if applicable. The form will not be reopened so you must order on or before Jan. 12!