Lace up for performance on the court. The Adizero Ubersonic 4.1 shoes provide speed, comfort and lateral support for players who want the ultimate lightweight feel. Great holiday gift! Regular fit Lace closure Breathable mesh upper Supportive sock-like fit Lightstrike cushioning External heel clip Adiwear outsole and an Adituff abrasion area made in part with recycled materials, featuring 60% recycled BOOST Yarn in upper contains at least 50% Parley Ocean Plastic and 50% recycled polyester