The First Outdoor Men's Hiking Shoe Waterproof Breathable First-TEX Membrane fabric-and-leather Imported Rubber sole The upper consists of PU-coated leather and synthetic textile, with a First-Tex Performance Comfort waterproof breathable membrane First-Grip Outsole: Our proprietary outsole bites into all types of terrain well and swallows rough terrain without blinking First-Comfort: Our air circulation insole will keep your feet remained fresh inside these shoes for miles and miles Lace up closure: It's easy to tighten the laces as desired, The cushioned tongue allowed us to tighten the shoes tighter than comfortable on other models Its ability to switch between long hikes and trail running makes it an excellent choice if you want to do both, and if you were going on a trip with a single pair of shoes, this would be it