Brand new with box. 100% Authentic! Unisex Size: 7.5 Men’s- 8.5 Women’s On the track or in the gym, these running shoes provide comfort and support for versatile movement. They have a breathable mesh upper with targeted areas of support and stretch for a personalized fit. Regular fit Lace closure Air mesh upper; Alphaboost System features dual-density Boost in the midsole and stability pods on the outsole