Simms Flyweight Boot Felt Steel GreyA fully considered update to one of the most capable, comfortable wading boots in the Simms line, the new Flyweight Boot is a balanced blend of lightweight, travel ready performance, trusted felt traction, and the kind of no quit durability that goes the distance. Durable and lightweight, TPU based synthetic woven upper material Molded, rubber toe wrap, and abrasion panels to protect against wear and tear Lace up closure with reinforced eyelets High