The new and improved Quest 4D GTXAR boasts unmatched stability and grip, a comfortable ergonomic tongue, laces that stay tied better, and new design details. Durable Nubuck leather upper. High cut profile for ankle stability and protection. Protective rubber toecap. Gusseted tongue to keep debris out of shoes. Gore TexAR Technology to keep feet dry inside and out. Molded EVA midsole and footbed for cushion and support. OrtholiteAR foam for a healthier environment inside boot. Protective rubber heelcap. Protective mudguard around entire base of shoe. 4D Advanced ChassisTM construction provides foot control and protection with comfort.