Reebok Men's CrossFit Nano Speed Training Shoe in Size 8.5 DuraCage with PU casting: Provides stablity throughout the midfoot Full CRTEK outsole: Offers durability and traction Sublite 48c Foam: Gives the foot a soft responsive feel and cushion CRTEK mid-foot wrap and DuraGrip toe protection: Provides protection from the mid-foot to the toe