The Simms G4 Pro Powerlock Boot is the most advanced wading boot on the water, offering supreme durability and superior grip. It features state-of-the-art materials and the new Powerlock cleat system for on-the-fly traction customization. The boot has a waterproof synthetic Lorenzi scratch leather upper combined with waterproof synthetic mesh for long-term durability. It also includes a partial neoprene lining for comfort and easy on/off, laser-cut fabric eye stays for fine-tune adjustments and durability, and a molded TPU heel counter for comfort and in-stream ankle support. The outsole is Vibram Idrogrip rubber with a built-in Powerlock system for quick and customizable traction adjustment. Sizes are available from UK7 to UK14.