Hunter Strickland Signed San Francisco Giants Under Armour Cleat BAS 33668 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a black Under Armour size 13 baseball cleat that was personally autographed by Hunter Strickland. This is the exact item that you will receive so please see pictures for condition. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.