The XT-WHISPER features a textured upper with layered details. The design incorporates a wavy Sensifit™ application and a Quicklace system for a secure fit. mat and shiny finishes Sensifit™ application anti-debris tongue chassis for stability Quicklace™ lacing system textile inlay sole textile lining rubber outsole textile and synthetic upper agile CHASSIS Ortho Lite® diecut sockliner anti-debris mesh 3D mesh chevron lugs Mud conta GRIP® protective toecap lace pocket sensi FIT™