The Transport 2 GTX incorporates GORE-TEX® waterproof protection to ensure comfort and performance. This design features anti-odour technology and a durable water-repellent finish. waterproof Gore-tex® invisible fit membrane toggle lacing (standard laces included) sugarcane EVA midsole vibram® ecostep outsole with regrind recycled rubber pfc/pfas-free empel® DWR treatment protective TPU toe cap and rand molded sockliner with repreve® A.M.Y.® peppermint technology recycled polyester heel webbing recycled polyester collar lining