Waterproof nubuck leather. GORE-TEX footwear fabric with recycled textile. Dual-density compression-molded foam midsole with HUBBLE heel and Swallowtaill. Late stage Meta-Rocker with integrated flex grooves. Vibram Megagrip rubber with 5mm lugs Traction Lug. Quick-lace metal top hooks. Abrasion resistant toecap and heel. Waterproof membrane bootie construction. Recycled content mesh and recycled polyester laces. Anatomical Achilles construction with heel pull tab. Topically applied PFC-free water repellency treatment. Rubberized EVA midsole. Molded PU sockliner with 50% soybean oil.