éReebok fire tr is an all new training shoe designed to celebrate warriors with a natural shape that allows the foot to move as it was intended during every move Seamless internal upper for ultimate comfort and two-way stretch pattern material allows the upper to stretch and flex organically Elastic gore on heel for customized fit and support with an anatomically molded eva sockliner to enhance support and comfort Soft injection molded eva midsole for a soft cushioning underfoot with strong deboss pattern for supportive look and feel Full-foot rubber for ultimate traction on outsole with an under-foot grip pattern placed for increased bite and metasplit flex grooves for enhanced forefoot flexibilityé