Simms Men's Flyweight Vibram Wading Boots -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 Molded, rubber toe wrap and abrasion panels protect against wear and tear Lace-up closure with reinforced eyelets High cushion dual-density EVA midsole for comfort and stability Vibram Idrogrip with Traction Lug outsole optimizes stability while walking and wading in water The outsole is compatible with Simms Hardbite and Alumibite Star Cleats and Hardbite cleats/studs Drain holes to prevent water pooling Re-soling available Style: 14155