The TYR® TK-2 Trainer shoes are lightweight, flexible trainers featuring SURGENRG Foam that provides the perfect balance of density and responsiveness. These low-top shoes are crafted with a knit polyester upper that is engineered with different zones for breathability and stretch. They are designed with a polyester lining and an Ethylene-Vinyl Acetate (EVA) insole. These lace-up shoes are a great choice for your training sessions and outdoor rides.