Made for endurance, comfort, and maximum in-river stability; with the exacting adjustability of the BOAA(R) fit system, the G3 Guide(TM) BOA Boot - VibramA(R) is the grippy standard worn by far-ranging guides and anglers who live to get it done. BOAA(R) Fit System with an improved M4 dial Durable and high abrasion-resistant leather, synthetic woven, and rubber upper materials Built with a traditional work-boot construction that utilizes a Goodyear welt for comfort, stability and durability Drain holes to prevent water pooling VibramA(R) Idrogrip with Traction Lug outsole optimizes stability while walking and wading in water The outsole is compatible with Simms Alumibite Star Cleats and Hardbite cleats/studs Re-soling available Hickory Item #: PG-14153