A 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, grippy Vibram® traction, and the kind of no-quit durability that gets it done.Durable and lightweight, TPU-based synthetic woven upper material with TPU overlays for durability and supportMolded rubber toe cap and abrasion panels protect against wear and tearHigh cushion dual-density EVA midsole for comfort and stabilityVibram® Idrogrip with Traction Lug outsole optimizes stability while walking and wadingThe outsole is compatible with Simms Alumibite Star Cleats and Hardbite cleats/studsWomen's-specific fit