AlphaBoost V2 with Adriprene+ cushioning, Adiwear outsole, Hybrid BOOST and Bounce midsole. Features rubber #1 fan hand charm. By Adidas. Mens shoe sizes size 5 showing as "XS" and size 5.5 showing as "Small"),6,6.5,7,7.5,8,8.5,9,9.5,10,10.5,11,11.5,12,12.5,13,14,15.