The Wally Sox Triple Needle collection features HEYDUDE's most popular moc sewn with special triple-reinforced stitches for super-duper durability throughout. A polyester-blend woven upper comes together lined with a stretch cotton-blend liningFlex & Fold TechnologyStretch-polyester blend upper with a cushioned ankle collar and contrasting heel detailContrasting stretch-cotton liningEasy-On System with elastic lacesUltralight outsoleLeather-lined removable insole