Part of the XT design lineage, the XT-Whisper features a textured, layered upper with contrasting details. A wavy Sensifit™ application and Quicklace™ system provide a secure fit. textured layered upper wavy Sensifit™ application Quicklace™ system anti-debris tongue agile CHASSIS Ortho Lite® diecut sockliner textile lining anti-debris mesh 3d mesh chevron lugs Mud conta GRIP® protective toecap lace pocket