Full grain leather upper. Adjustable Lace Closure. Dri-Lex® Lining offers superior "sweat" control and will keep feet dry and comfortable in wet or damp conditions. Innovative REVlite midsole provides premium responsiveness and durability at a 30% lighter weight than other foams with comparable performance. Removable TPE and Memory Foam footbed. Seam-Sealed Waterproof Construction.