Ratchet up prime footing through the greasiest terrain with Simms’ award-winning RiverTek® BOA® Boot. CleanStream™ design elements include a waterproof synthetic upper and stealth stitching that effortlessly shed dirt, debris, and other aquatic interlopers. Fine-tune boot fit with the lightning-fast, fully enclosed stainless-steel-strong BOA® lacing system, and wade confidently with the proven non-slip grip of felt soles.