The XT-Whisper features a textured, layered construction inspired by the brand's design lineage. It incorporates a wavy Sensifit™ application and a Quicklace system for a secure fit. textured layers Sensifit™ application anti-debris tongue chassis for stability Quicklace™ system textile inlay sole textile lining rubber outsole textile and synthetic upper agilechassis Ortho Lite® diecut sockliner chevron lugs Mud conta GRIP® protective toecap lace pocket
