Buy 1 Size Bigger Lace closure with hook-and-loop strap Textile upper with synthetic overlays COLD.RDY and PrimaLoft insulation EVA midsole OrthoLite sockliner and Adifit length-measuring insole. These shoes are designed for winter trail running and feature a hook-and-loop closure for easy on and off. They incorporate COLD.RDY technology and PrimaLoft insulation to keep your feet warm in cold conditions. The EVA midsole provides cushioning, and the OrthoLite sockliner and Adifit length-measuring insole ensure a comfortable and accurate fit.