This is a pair of Game Issued Adidas Adizero Cleats that have been Personally Signed & Autographed by J.J. Nelson of the Arizona Cardinals. Nelson signed both cleats with his number "#14". They are a size 10.This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by PSA/DNA for each cleat (#AA84149 & #AA84150).We offers a 100% Lifetime Guarantee on all Autographed & Signed Arizona Cardinals J.J. Nelson memorabilia.