The official Kojima Productions site has been updated with a first look at the merchandise that will be available on the store. People will be able to purchase the items starting December 1st, and according to Ken Imaizumi they will be shipped to ‘almost everywhere’ worldwide.
Update: Some more details have been released.
The following four products, scheduled to be available for preorder on (Mon) Dec. 21, will be packaged together in a single box and sold as a set.
・T-Shirt (Available in S, M, L, and XL)
* The image of the white box on the lower left side of our top banner shows how all four tems will be packaged together.
* These products will not be available for individual (separate) purchase.
Source: Official Kojima Productions site, Ken Imaizumi Twitter