Them boys up to something again. In the latest installment of high powered Jumpman collaborations. Eminem, Detroit-based workwear mainstays Carhartt and Air Jordan have teamed up to release a super exclusive Air Jordan 4. Limited to only just 10 pairs, the shoes will be auctioned off to benefit the Marshall Mathers Foundation. The exclusive pairs will be offered via auction on November 10 on eBay. For additional information and updates sign up here.